Question: What kind of animal can live in large colonies and have complex behaviors?\nOptions:\n- (A) arthropods\n- (B) warm-blooded\n- (C) birds\n- (D) mammals\n- (E) animals\n- (F) honeybees\n- (G) fur seals\n- (H) fish

Answer: (A)

Insects may live in large colonies and have complex social behaviors. Insects are just part of the Arthropod subdivision. Arthropods may live in large colonies and have complex social behaviors.


Question: What lives in large colonies?\nOptions:\n- (A) koalas\n- (B) swea\n- (C) voles\n- (D) bees\n- (E) bats\n- (F) Birds\n- (G) cats\n- (H) bears

Answer: (D)

Insects may live in large colonies and have complex social behaviors. Honey Bee Honey bees are insects that live in a hive and make honey. Bees live in large colonies and have complex social behaviors.


Question: What live in large colonies and have complex social relationships.\nOptions:\n- (A) Insects\n- (B) potatoes\n- (C) plants\n- (D) parasites\n- (E) honeybees\n- (F) tortoises\n- (G) bees\n- (H) animals

Answer: (A)

Insects may live in large colonies and have complex social behaviors. Social behavior is organized by social relationships. Insects may live in large colonies and have complex social relationships.


Question: What can vaccines do?\nOptions:\n- (A) cause euphoria\n- (B) major threat to health\n- (C) it protects them\n- (D) protect plants\n- (E) Keep someone from disease\n- (F) cause a disease\n- (G) cause a vasectomy\n- (H) rapid expansion

Answer: (E)

Immunity results from immunization. Immunization with vaccine is effective. The ability of an organism to not be susceptible to a certain disease can result from vaccines.


Question: What usually results from getting shots?\nOptions:\n- (A) heat produced\n- (B) susceptibility to disease\n- (C) limb amputation\n- (D) a lot of human deaths\n- (E) death and devastation\n- (F) healing\n- (G) resistance to disease\n- (H) confusion

Answer: (G)

Immunity results from immunization. Immunization records with all required shots. Resistance to disease results from getting shots.


Question: What does immunization cause?\nOptions:\n- (A) amino acids\n- (B) sweating\n- (C) immunoglobulin deficiency\n- (D) nutrition\n- (E) resistance\n- (F) recovery\n- (G) fever\n- (H) immunity

Answer: (H)

Immunity results from immunization. An effect is the result or outcome of some cause. Immunization causes immunity.


Question: What is the microscopic building block of any living being?\nOptions:\n- (A) trees\n- (B) cell\n- (C) oxygen\n- (D) moss\n- (E) molecule\n- (F) plants\n- (G) blood\n- (H) life

Answer: (B)

Cells are the microscopic building blocks of organisms. Any living being is an organism. Cells are the microscopic building blocks of living beings.


Question: Cells are what, so they are the building blocks of organisms?\nOptions:\n- (A) Most plants\n- (B) so small\n- (C) all matter\n- (D) homogenous\n- (E) so deadly\n- (F) so fortunate\n- (G) so big\n- (H) bacteria

Answer: (B)

Cells are the microscopic building blocks of organisms. Cells are so small that they can only be seen under a microscope. Cells are so small, they are the building blocks of organisms.


Question: What are cells in plants and animals?\nOptions:\n- (A) production of energy\n- (B) absorb light energy\n- (C) large building blocks\n- (D) sub-units of species\n- (E) cellulitis\n- (F) microscopic bulding blocks\n- (G) disease\n- (H) microorganisms

Answer: (F)

Cells are the microscopic building blocks of organisms. Plants and animals are organisms. Cells are the microscopic bulding blocks of plants and animals.


Question: Organisms rely on a relatively narrow range of what?\nOptions:\n- (A) Decibels\n- (B) water\n- (C) food\n- (D) relativity\n- (E) acidity\n- (F) spectrum\n- (G) balance\n- (H) Light

Answer: (E)

All life relies on a relatively narrow range of pH, or acidity. All organisms have a life-span. Organisms rely on a relatively narrow range of acidity.


Question: What happens to aquatic life if acidity is higher or lower than a narrow range?\nOptions:\n- (A) Plant growth is reduced\n- (B) They may not survive.\n- (C) Aquatic life sinks\n- (D) harm them\n- (E) It is endangered\n- (F) Damages them\n- (G) Aquatic life moves to dry land\n- (H) Aquatic life flourishes

Answer: (E)

All life relies on a relatively narrow range of pH, or acidity. If the pH level is higher or lower, aquatic life is endangered. Aquatic life is endangered if acidity is higher or lower than a narrow range.


Question: What relies on a relatively narrow range of something you can measure with paper strips?\nOptions:\n- (A) Length\n- (B) voltage\n- (C) all life\n- (D) mammals\n- (E) humans\n- (F) Most plants\n- (G) agriculture\n- (H) animals

Answer: (C)

All life relies on a relatively narrow range of pH, or acidity. Acidity is measured with a pH meter or with pH paper strips. All life relies on a relatively narrow range of something you can measure with paper strips.


Question: What process helps hormones travel throughout the body in the bloodstream?\nOptions:\n- (A) hydration\n- (B) mitosis\n- (C) sleeping\n- (D) sweating\n- (E) oxygen\n- (F) allow growth\n- (G) eating\n- (H) breathing

Answer: (H)

Endocrine hormones travel throughout the body in the blood. Breathing affects the flow of hormones through the endocrine system. Breathing allows hormones to travel throughout the body in the bloodstream.


Question: Endocrine hormones move from place to place through the\nOptions:\n- (A) animals\n- (B) ovaries\n- (C) Man\n- (D) humans\n- (E) blood\n- (F) hair\n- (G) skin\n- (H) scales

Answer: (E)

Endocrine hormones travel throughout the body in the blood. For the tourists, there are many places to travel. Endocrine hormones move from place to place in the body through the blood.


Question: Endocrine hormones travel through the what in something that runs like water?\nOptions:\n- (A) body\n- (B) muscle\n- (C) state\n- (D) a path\n- (E) ligt\n- (F) a fish\n- (G) liquid\n- (H) CO 2

Answer: (A)

Endocrine hormones travel throughout the body in the blood. And blood, blood runs like water. Endocrine hormones travel through the body in something that runs like water.


Question: Genes can be what on something wonderful?\nOptions:\n- (A) singing\n- (B) ligt\n- (C) vacationing\n- (D) exploded\n- (E) fertile\n- (F) good\n- (G) positive\n- (H) located

Answer: (H)

Genes that are located on the same chromosome are called linked genes. Chromosomes and Chromosome Links Chromosomes are wonderful. Genes can be located on something wonderful.


Question: What are the units of basic information on chromosomes?\nOptions:\n- (A) colors\n- (B) heriditary\n- (C) sensory neurons\n- (D) Most plants\n- (E) Joules\n- (F) pollen\n- (G) A Greek letter\n- (H) photons

Answer: (B)

Genes that are located on the same chromosome are called linked genes. Gene A gene is the basic unit of heriditary information. Chromosomes contain the basic units of heriditary information.


Question: Epilepsy and splay leg are located on the same what?\nOptions:\n- (A) organ\n- (B) Joules\n- (C) kalenchoes\n- (D) sensory neurons\n- (E) chromosome\n- (F) nerves\n- (G) critical organs\n- (H) four limbs

Answer: (E)

Genes that are located on the same chromosome are called linked genes. For example, epilepsy and splay leg tend to link with the vienna white gene. Epilepsy and splay leg are located on the same chromosome.


Question: What are genes that are located on the same molecules of dna complexed with proteins called?\nOptions:\n- (A) bioaerosols\n- (B) solid, liquid, gas\n- (C) interact\n- (D) sensory neurons\n- (E) organs\n- (F) deltas\n- (G) more abundant\n- (H) linked genes

Answer: (H)

Genes that are located on the same chromosome are called linked genes. Chromosomes are molecules of DNA complexed with proteins. Genes that are located on the same molecules of DNA complexed with proteins. are called linked genes.


Question: What happens to genes located on the same chromosome\nOptions:\n- (A) metabolic reaction\n- (B) production of energy\n- (C) produce offspring\n- (D) female sex cells\n- (E) The flowers are pollinated\n- (F) They are inherited together\n- (G) Earth orbiting the Sun\n- (H) a hemisphere is tilted away from the sun

Answer: (F)

Genes that are located on the same chromosome are called linked genes. Linked genes are inherited together. Genes that are located on the same chromosome are inherited together.


Question: Carbon in organic compounds are passed through the food web from what?\nOptions:\n- (A) it helps plants in growing\n- (B) Burning fuel and air\n- (C) members of their own species\n- (D) people to dogs\n- (E) herbivores to carnivores\n- (F) carnivores to plants\n- (G) passenger pigeons\n- (H) predators to prey

Answer: (E)

Energy is passed up a food chain or web from lower to higher trophic levels. Energy and carbon in organic compounds passed through food chain to herbivores and carnivores. Carbon in organic compounds are passed through the food web from herbivores to carnivores.


Question: Energy is passed up the food chain or web from producers to whom?\nOptions:\n- (A) animals\n- (B) plants\n- (C) glucose\n- (D) our planet\n- (E) chloroplasts\n- (F) consumers\n- (G) photosynthesizers\n- (H) people

Answer: (F)

Energy is passed up a food chain or web from lower to higher trophic levels. Animals which are consumers constitute higher trophic levels. Energy is passed up a food chain or web from producers to consumers.


Question: What passes energy up the food chain to adult vegans?\nOptions:\n- (A) cows\n- (B) animals\n- (C) Batteries.\n- (D) chickens\n- (E) Power companies.\n- (F) glucose\n- (G) Humans.\n- (H) Plants.

Answer: (H)

Energy is passed up a food chain or web from lower to higher trophic levels. Plants represent the first trophic level. Energy is passed up a food chain from plants.


Question: At what trophic level is a plant?\nOptions:\n- (A) lower trophic level\n- (B) higher trophic level\n- (C) the body's largest organ\n- (D) vegetation\n- (E) Something that is self-aware\n- (F) it needs them\n- (G) middle trophic level\n- (H) highest trophic level

Answer: (A)

Energy is passed up a food chain or web from lower to higher trophic levels. Plants are always at the bottom of the food chain or web. When consumed, energy is passed up from plants from lower to higher trophic levels.


Question: What breaks up into two lighter elements when an animal divides into two parts?\nOptions:\n- (A) the blood cells\n- (B) the heart\n- (C) Energy.\n- (D) the main element\n- (E) heat energy\n- (F) light energy\n- (G) the nucleus\n- (H) sensory neurons

Answer: (G)

Fission takes place when an animal divides into two parts. If the nucleus breaks up into lighter elements, it is called fission . The nucleus breaks up into lighter elements when an animal divides into two parts.


Question: What is it called when an animal divides into two parts?\nOptions:\n- (A) limb amputation\n- (B) The bending of a ray of light\n- (C) Veins and arteries.\n- (D) epidermis and dermis\n- (E) the body's largest organ\n- (F) Leptospirosis\n- (G) refraction of light\n- (H) asexual reproduction

Answer: (H)

Fission takes place when an animal divides into two parts. Asexual reproduction is by fragmentation, budding, or fission. Asexual reproduction is when an animal divides into two parts.


Question: Mutations that lead to cancer usually effect genes that aid in what?\nOptions:\n- (A) illness\n- (B) health\n- (C) disease\n- (D) blood transfer\n- (E) chemotherapy\n- (F) respiraration\n- (G) mitosis\n- (H) recovery

Answer: (G)

Mutations that lead to cancer usually occur in genes that control the cell cycle. Mitosis is part of the cell cycle. Mutations that lead to cancer usually occur in genes aiding in mitosis.


Question: _ is how organisms grow and repair themselves.\nOptions:\n- (A) respiration\n- (B) hormone secretion\n- (C) potatoes\n- (D) Mitosis\n- (E) complex\n- (F) gene regulation\n- (G) properties\n- (H) recycling

Answer: (D)

Cell division is how organisms grow and repair themselves. Mitosis is cell division. Mitosis is how organisms grow and repair themselves.


Question: _ is how organisms grow and repair themselves.\nOptions:\n- (A) complex\n- (B) recycling\n- (C) properties\n- (D) fusion\n- (E) fission\n- (F) bacteria\n- (G) Mitosis\n- (H) potatoes

Answer: (G)

Cell division is how organisms grow and repair themselves. Mitosis is cell division. Mitosis is how organisms grown and repair themselves.


Question: How are organisms able to grow and repair their cells?\nOptions:\n- (A) hospitalization\n- (B) orchids\n- (C) cell care\n- (D) fungi\n- (E) growth cells\n- (F) mitosis\n- (G) recovery\n- (H) recycling

Answer: (F)

Cell division is how organisms grow and repair themselves. Mitosis is cell division. Mitosis is how organisms grow and repair themselves.


Question: How do cells grow and repair themselves?\nOptions:\n- (A) mitosis\n- (B) alveoli\n- (C) retina\n- (D) rest\n- (E) recovery\n- (F) exercise\n- (G) ligt\n- (H) mechanical

Answer: (A)

Cell division is how organisms grow and repair themselves. Mitosis is cell division. Organisms grow and repair themselves through mitosis.


Question: How many types can viruses infect?\nOptions:\n- (A) mice\n- (B) pigs\n- (C) bird\n- (D) RNA\n- (E) ova\n- (F) tiny\n- (G) HPV\n- (H) Two

Answer: (H)

Viruses often infect bacteria. Bacteria are normally classified as either 'good' bacteria or 'bad' bacteria. Viruses can infect good and bad types.


Question: What do trees release during the day but not at night?\nOptions:\n- (A) Energy\n- (B) water\n- (C) He\n- (D) Ce\n- (E) chemicals\n- (F) Energy.\n- (G) heat\n- (H) oxygen

Answer: (H)

Plants release oxygen during the day but not during the night. All plants are trees. Trees release oxygen during the day but not at night.


Question: What do plants do during the day?\nOptions:\n- (A) Exfoliation\n- (B) amble\n- (C) bite animals\n- (D) produce light\n- (E) grass\n- (F) reproduce\n- (G) sweating\n- (H) respirate

Answer: (H)

Plants release oxygen during the day but not during the night. Oxygen exchange is needed for plant respiration. Plant respiration occurs during the day but not during the night.


Question: What release oxygen during the day but not at night?\nOptions:\n- (A) sea anenomes\n- (B) Organic compounds\n- (C) orange trees\n- (D) coral\n- (E) power stations\n- (F) humans\n- (G) swamp vegetation\n- (H) important habitats

Answer: (C)

Plants release oxygen during the day but not during the night. All orange trees are plants. Orange trees release oxygen during the day but not at night.


Question: What does the fishhook cactus release during the day but not during the night.\nOptions:\n- (A) heat\n- (B) Air\n- (C) water\n- (D) carbon monoxide\n- (E) carbon dioxide\n- (F) oxygen\n- (G) Energy.\n- (H) Energy

Answer: (F)

Plants release oxygen during the day but not during the night. Another kind of plant is the fishhook cactus. The fishhook cactus releases oxygen during the day but not during the night.


Question: What uses semiochemicals in urine to mark territory?\nOptions:\n- (A) koalas\n- (B) bacteria\n- (C) humans\n- (D) dogs\n- (E) bears\n- (F) cats\n- (G) the Sun\n- (H) rabbit

Answer: (D)

Male dogs use pheromones in urine to mark their territory. Pheromones are a sub-category of semiochemicals. Male dogs use semiochemicals in urine to mark their territory.


Question: What does the substance that male dogs have in urine to mark their territory do?\nOptions:\n- (A) sweating\n- (B) attract females\n- (C) Release energy\n- (D) repels females\n- (E) attract enemies\n- (F) attract males\n- (G) adding heat\n- (H) dangerous

Answer: (B)

Male dogs use pheromones in urine to mark their territory. Males produce 'pheromones' to attract females. Male dogs use something that attracts females in urine to mark their territory.


Question: What do dogs use to mark their territory?\nOptions:\n- (A) water\n- (B) Chemicals\n- (C) layers of fat\n- (D) food\n- (E) Animal fur\n- (F) heat energy\n- (G) Scratches\n- (H) heat produced

Answer: (B)

Male dogs use pheromones in urine to mark their territory. Pheromones are a sub-category of semiochemicals. Male dogs use chemicals to mark their territory.


Question: What do male dogs use in urine to mark their territory?\nOptions:\n- (A) Natural aphrodisiacs\n- (B) competing for resources\n- (C) Tails\n- (D) Urine cleaner\n- (E) Something coming from a gland\n- (F) Chemical energy\n- (G) an area swollen with pus\n- (H) Chew toys

Answer: (A)

Male dogs use pheromones in urine to mark their territory. Pheromones are natural aphrodisiacs. Male dogs use natural aphrodisiacs in urine to mark their territory.


Question: How do male dogs mark their territory?\nOptions:\n- (A) Chemical energy\n- (B) Hot dog eating contest\n- (C) Adequate signage\n- (D) with their fur\n- (E) Scent marker\n- (F) heat produced\n- (G) mate with females\n- (H) Paint

Answer: (E)

Male dogs use pheromones in urine to mark their territory. During Urination Dog's urine is used as a scent marker for other dogs. Male dogs mark their territory with a scent marker.


Question: Male dogs use_ in urine to mark their territory.\nOptions:\n- (A) ammonia\n- (B) Chemical energy\n- (C) proteins\n- (D) semiochemicals\n- (E) animals\n- (F) heat produced\n- (G) nitric oxide\n- (H) They have thick fur

Answer: (D)

Male dogs use pheromones in urine to mark their territory. Pheromones are a sub-category of semiochemicals. Male dogs use semiochemicals in urine to mark their territory.


Question: Male dogs use what in their urine to mark their territory?\nOptions:\n- (A) hydrocarbons\n- (B) volatile substances\n- (C) kinetic energy\n- (D) an area swollen with pus\n- (E) Chemical energy\n- (F) competing for resources\n- (G) add a solute\n- (H) Positive charges

Answer: (B)

Male dogs use pheromones in urine to mark their territory. Generally, pheromones are volatile substances. Male dogs use volatile substances in urine to mark their territory.


Question: Splitting into what is the final stage of cell division in eukaryotes as well as prokaryotes?\nOptions:\n- (A) fewer cells\n- (B) merged cells\n- (C) two cells\n- (D) Chlorophyll\n- (E) five cells\n- (F) autumn\n- (G) allow growth\n- (H) Leptospirosis

Answer: (C)

Cytokinesis is the final stage of cell division in eukaryotes as well as prokaryotes. During cytokinesis , the cell body splits into two cells. Splitting into two cells is the final stage of cell division in eukaryotes as well as prokaryotes.


Question: Cytokinesis is the final stage of cell division in what items?\nOptions:\n- (A) infected\n- (B) insects\n- (C) animals\n- (D) Plants.\n- (E) fungi\n- (F) plants\n- (G) food\n- (H) parasites

Answer: (D)

Cytokinesis is the final stage of cell division in eukaryotes as well as prokaryotes. All plants are eukaryotes. Cytokinesis is the final stage of cell division in plants.


Question: Conventional myosin is required for the final stage of what?\nOptions:\n- (A) Energy.\n- (B) sweating\n- (C) cell division\n- (D) flow of electrons\n- (E) Plants growth\n- (F) Dehydration\n- (G) movement\n- (H) rapid expansion

Answer: (C)

Cytokinesis is the final stage of cell division in eukaryotes as well as prokaryotes. Conventional myosin is required for cytokinesis . Conventional myosin is required for the final stage of cell division.


Question: What comes from eggs?\nOptions:\n- (A) pancakes\n- (B) dogs\n- (C) seeds\n- (D) Allergies\n- (E) snails\n- (F) cats\n- (G) pollen\n- (H) sound

Answer: (E)

Mollusks are invertebrates such as the common snail. All mollusks come from eggs. The common snail comes from eggs.


Question: What is bilaterally symmetrical and a protostome?\nOptions:\n- (A) gastropod shells\n- (B) honeybees\n- (C) humans\n- (D) shells\n- (E) bears\n- (F) the common snail\n- (G) peachleaf willow\n- (H) the eyes

Answer: (F)

Mollusks are invertebrates such as the common snail. Mollusks are bilateraly symetrical and are protostomes. The common snail is bilaterally symmetrical and a protostome.


Question: What does an animal like a mollusk lack that many other animals have?\nOptions:\n- (A) sensory neurons\n- (B) Energy.\n- (C) Bodily water\n- (D) kinetic energy\n- (E) alveoli\n- (F) the skin\n- (G) an organism's body\n- (H) spinal column

Answer: (H)

Mollusks are invertebrates such as the common snail. Invertebrates are animals who lack a backbone or spinal column. Mollusks are animals who lack a backbone or spinal column.


Question: What do mollusks have?\nOptions:\n- (A) aerobic capacity\n- (B) Energy\n- (C) gastropod shells\n- (D) Chemical energy\n- (E) a cuticle\n- (F) kinetic energy\n- (G) soft bodies\n- (H) alveoli

Answer: (G)

Mollusks are invertebrates such as the common snail. Mollusks are soft-bodied invertebrates. Mollusks, like the snail, are soft-bodied.


Question: Why can amphibians easily absorb toxins?\nOptions:\n- (A) salamanders\n- (B) permeable skin\n- (C) hydrate their cells\n- (D) it needs them\n- (E) poisonous frogs\n- (F) Pesticides\n- (G) cold blooded\n- (H) bending light rays

Answer: (B)

Amphibians have permeable skin that easily absorbs substances from the environment. Natural Toxins Toxins are poisonous substances from bacterias, plants or animals. Amphibians have permeable skin that can easily absorb toxins from bacterias, plants or animals.


Question: What feature allows frogs to absorb substances from the environment?\nOptions:\n- (A) four limbs\n- (B) poison dart frog\n- (C) hydrate their cells\n- (D) permeable skin\n- (E) layers of fat\n- (F) a cuticle\n- (G) predators\n- (H) double eyelid

Answer: (D)

Amphibians have permeable skin that easily absorbs substances from the environment. All frogs are amphibians. Frogs have permeable skin that easily absorbs substances from the environment.


Question: What has permeable skin?\nOptions:\n- (A) goats\n- (B) alligators\n- (C) animals\n- (D) apples\n- (E) frogs\n- (F) sharks\n- (G) humans\n- (H) snakes

Answer: (E)

Amphibians have permeable skin that easily absorbs substances from the environment. All frogs are amphibians. Frogs have permeable skin that easily absorb substances in the environment.


Question: The cells that produce antibodies are key in what system?\nOptions:\n- (A) health\n- (B) T cells\n- (C) vision\n- (D) humans\n- (E) macrophages\n- (F) B cells\n- (G) disease\n- (H) immune

Answer: (H)

Lymphocytes are the key cells involved in the immune response. B lymphocytes produce antibodies . The key cells involved in the immune response produce antibodies.


Question: What are the key cells in an allergy attack?\nOptions:\n- (A) layers of fat\n- (B) Lymphocytes.\n- (C) fur and fat\n- (D) bone cells\n- (E) muscle cells\n- (F) the skin\n- (G) Red blood cells\n- (H) animals

Answer: (B)

Lymphocytes are the key cells involved in the immune response. An allergy attack is an immunal response. Lymphocytes are the key cells involved in an allergy attack.


Question: What response are antibodies involved in?\nOptions:\n- (A) resistance activities\n- (B) the pituitary response\n- (C) major threat to health\n- (D) antigens summoning them\n- (E) Leptospirosis\n- (F) being taken as a supplement\n- (G) resistance\n- (H) the immune response

Answer: (H)

Lymphocytes are the key cells involved in the immune response. Antibodies are synthesised by lymphocytes. Antibodies are involved in the immune response.


Question: What shows evolution over geologic time above the level of the species?\nOptions:\n- (A) speciation events\n- (B) Leptospirosis\n- (C) cliffs\n- (D) rapid expansion\n- (E) peachleaf willow\n- (F) swamp vegetation\n- (G) Darwin\n- (H) RNA

Answer: (A)

Macroevolution is evolution over geologic time above the level of the species. Speciation events are thus examples of macroevolution. Speciation events show evolution over geologic time above the level of the species.


Question: What type of evolution is very, very slow above the level of the species?\nOptions:\n- (A) forest is destroyed\n- (B) macroevolution\n- (C) animals\n- (D) parallel evolution\n- (E) mechanical\n- (F) Continents drifting\n- (G) divergent evolution\n- (H) microevolution

Answer: (B)

Macroevolution is evolution over geologic time above the level of the species. And geologic time is very, very slow. Macroevolution is very, very slow evolution above the level of the species.


Question: Evolution over geologic time at the genus level and above is:\nOptions:\n- (A) microcosm\n- (B) genetic\n- (C) Plants growth\n- (D) macroevolution\n- (E) natural selection\n- (F) gastropod shells\n- (G) peachleaf willow\n- (H) Plant reproduction

Answer: (D)

Macroevolution is evolution over geologic time above the level of the species. Besides the above-named species, various other species of the genus have been used medicinally. Macroevolution is evolution over geologic time at the genus level and above.


Question: When does macroevolution over eras occur?\nOptions:\n- (A) relocation\n- (B) colder and wetter\n- (C) in a few years\n- (D) permineralization\n- (E) over eras of time\n- (F) within a lifetime\n- (G) Continents drifting\n- (H) in minutes

Answer: (E)

Macroevolution is evolution over geologic time above the level of the species. Geologists break time down into geologic time units called eras . Macroevolution is evolution over eras above the level of the species.


Question: What occurs over geologic time above the level of the species.\nOptions:\n- (A) Warm air moving into cold air\n- (B) wind and erosion\n- (C) remains of prehistoric life\n- (D) tectonic plates being pushed together\n- (E) Something with a head, thorax, and abdomen\n- (F) The area was once underwater\n- (G) Species changing to another.\n- (H) movement of tectonic plates

Answer: (G)

Macroevolution is evolution over geologic time above the level of the species. Macroevolution is said to be the change from one species to another. Change from one species to another is evolution over geologic time above the level of the species.


Question: What is the evolution over a geologic time in a specific kind of organism called?\nOptions:\n- (A) solid, liquid, gas\n- (B) peachleaf willow\n- (C) Plants growth\n- (D) macroevolution\n- (E) barnacles\n- (F) permineralization\n- (G) animals\n- (H) graptolites

Answer: (D)

Macroevolution is evolution over geologic time above the level of the species. Species are the different kinds of organisms. Macroevolution is evolution over geologic time above the level of the kind of organism.


Question: Most ecosystems get energy from what in the atmosphere?\nOptions:\n- (A) fires\n- (B) Sun\n- (C) wind\n- (D) summer\n- (E) oxygen\n- (F) Light\n- (G) heat\n- (H) H20

Answer: (G)

Most ecosystems get energy from sunlight. On Earth, energy from sunlight heats the atmosphere more at the equator than at the poles. Most ecosystems get energy from heat in the atmosphere.


Question: Living things interacting get energy from what?\nOptions:\n- (A) Light\n- (B) flares\n- (C) water\n- (D) The Sun\n- (E) wind\n- (F) glucose\n- (G) sunlight\n- (H) food

Answer: (G)

Most ecosystems get energy from sunlight. Life Living things interact in ecosystems. Living things interacting get energy from sunlight.


Question: Most ecosystems need what?\nOptions:\n- (A) invasive species\n- (B) water\n- (C) insects\n- (D) food\n- (E) tornadoes\n- (F) recycling\n- (G) plants\n- (H) scientists

Answer: (G)

Most ecosystems get energy from sunlight. Sunlight is turned into energy by plants. Most ecosystems need plants.


Question: What is called when plants grow toward the sun or an artificial light?\nOptions:\n- (A) Exfoliation\n- (B) Brownian motion\n- (C) heat energy\n- (D) phototropism\n- (E) photovoltaic\n- (F) autumn\n- (G) peachleaf willow\n- (H) mitosis

Answer: (D)

Plants exhibit phototropism, or growing toward a light source. Many light sources such as the sun and most artificial lights produce unpolarized light. Plants exhibit phototropism, or growing toward the sun or artificial light.


Question: Evolution is a change in the genetic traits of living things over what?\nOptions:\n- (A) universes\n- (B) HIV\n- (C) long\n- (D) extinct organisms\n- (E) dead things\n- (F) time\n- (G) H 2 O\n- (H) years

Answer: (F)

Evolution is a change in the characteristics of living things over time. Almost all physical characteristics are genetic traits, inherited from parents. Evolution is a change in the genetic traits of living things over time.


Question: What is the speed of the change in the characteristics of living things over time?\nOptions:\n- (A) Jet speed.\n- (B) Speed of light.\n- (C) long\n- (D) Slow.\n- (E) Mach speeds.\n- (F) slows\n- (G) speed\n- (H) years

Answer: (D)

Evolution is a change in the characteristics of living things over time. Biological evolution is slow, while corporate evolution is fast. The change in the characteristics of living things over time is slow.


Question: The evolution of animal genetic resources can be impacted by:\nOptions:\n- (A) extinction\n- (B) Mars\n- (C) competition\n- (D) Darwin\n- (E) agriculture\n- (F) behavior\n- (G) environment\n- (H) Galapagos Islands

Answer: (F)

Behaviors that improve fitness increase through natural selection. Adaptation traits contribute to individual fitness and to the evolution of animal genetic resources. Behaviors can improve the evolution of animal genetic resources.


Question: What is one of the facets of an organism's evolution?\nOptions:\n- (A) resistance\n- (B) fitness\n- (C) properties\n- (D) thirst\n- (E) movement\n- (F) swimming\n- (G) offspring\n- (H) recycling

Answer: (B)

Behaviors that improve fitness increase through natural selection. Many organism behaviors have evolved through natural selection. An organism's fitness is a result of evolution.


Question: Damaged dna might benefit from:\nOptions:\n- (A) resistance\n- (B) cellular repair\n- (C) mutagens\n- (D) UV rays\n- (E) recovery\n- (F) radiation\n- (G) Electrical energy\n- (H) flow of electrons

Answer: (B)

Cells have multiple repair mechanisms to fix mutations in DNA. And if the damaged DNA is duplicated, it causes mutation. Cells have multiple repair mechanisms to fix damaged DNA.


Question: Cells have multiple repair mechanisms to fix mutations in what?\nOptions:\n- (A) Veins and arteries.\n- (B) Most plants\n- (C) the body's largest organ\n- (D) members of their own species\n- (E) wavelengths and photons\n- (F) epidermis and dermis\n- (G) deoxyribonucleic acid\n- (H) peachleaf willow

Answer: (G)

Cells have multiple repair mechanisms to fix mutations in DNA. DNA DNA is deoxyribonucleic acid. Cells have multiple repair mechanisms to fix mutations in deoxyribonucleic acid.


Question: Dna can be fixed with repair mechanisms of\nOptions:\n- (A) CO 2\n- (B) cells\n- (C) three\n- (D) plants\n- (E) SO2\n- (F) fungi\n- (G) alleles\n- (H) Seesaw

Answer: (B)

Cells have multiple repair mechanisms to fix mutations in DNA. Genetic Mutations Genetic mutations occur frequently. Cells have repair mechanisms to fix genetic problems in DNA.


Question: What is considered to be nonliving?\nOptions:\n- (A) illness\n- (B) Staphylococcus\n- (C) cigarettes\n- (D) Influenza\n- (E) Leptospirosis\n- (F) bacteria\n- (G) E. coli\n- (H) Streptococcus

Answer: (D)

Viruses are usually considered to be nonliving. Influenza Virus Inluenza virus are negative-strand RNA viruses with a segmented genome. Influenza is considered to be nonliving.


Question: Atoms make up many things, like what?\nOptions:\n- (A) glass\n- (B) matter\n- (C) A computer\n- (D) Fuel cells\n- (E) copper\n- (F) viruses\n- (G) Light\n- (H) Energy

Answer: (F)

Viruses are usually considered to be nonliving. All matter, living and nonliving, is made up of atoms. Viruses are made up of atoms.


Question: A platypus is an example of _.\nOptions:\n- (A) Marsupial.\n- (B) Monotremes.\n- (C) insects\n- (D) animals\n- (E) killing insects\n- (F) Amphibian.\n- (G) Placental mammal.\n- (H) matter vibrating

Answer: (B)

Monotremes are mammals that reproduce by laying eggs. Well, platypuses are mammals, and they lay eggs. Platypuses are monotremes.


Question: Echidnas reproduce how?\nOptions:\n- (A) asexually\n- (B) by indirect light\n- (C) spread flower seeds\n- (D) during the day\n- (E) by birthing live young\n- (F) by laying eggs\n- (G) by budding\n- (H) with their fur

Answer: (F)

Monotremes are mammals that reproduce by laying eggs. Examples of monotremes are the Platypus and Echidna. Echidnas reproduce by laying eggs.


Question: A duckbill platypus is a mammal that reproduces how?\nOptions:\n- (A) asexually\n- (B) during the day\n- (C) by cloning\n- (D) spread flower seeds\n- (E) They have thick fur\n- (F) by laying eggs\n- (G) with their fur\n- (H) swans

Answer: (F)

Monotremes are mammals that reproduce by laying eggs. Monotremes include the duckbill platypus. Duckbill platypus are mammals that reproduce by laying eggs.


Question: Female monotremes reproduce by laying eggs and have no what?\nOptions:\n- (A) alveoli\n- (B) fusion\n- (C) embryos\n- (D) teats\n- (E) rings\n- (F) pollen\n- (G) food\n- (H) eyes

Answer: (D)

Monotremes are mammals that reproduce by laying eggs. Unlike most mammals, female monotremes have no teats. Female monotremes reproduce by laying eggs and have no teats.


Question: What causes cell walls to relax?\nOptions:\n- (A) exercise\n- (B) sweating\n- (C) adding heat\n- (D) Energy\n- (E) dilation\n- (F) heat or cold\n- (G) heat\n- (H) Dehydration

Answer: (E)

Dilation occurs when cell walls relax. When oxygen level decreases, dilatation of the blood vessels occurs. Decreased oxygen levels cause blood vessels to dilate and cell walls to relax.


Question: What occurs when the tension of cell walls are eased?\nOptions:\n- (A) Sleep\n- (B) exercise\n- (C) friction\n- (D) Exfoliation\n- (E) recovery\n- (F) dilation\n- (G) sweating\n- (H) murmur

Answer: (F)

Dilation occurs when cell walls relax. Relaxation promotes relaxation and easing of tension. Dilation occurs when the tension of cell walls are eased.


Question: What happens when cell walls relax?\nOptions:\n- (A) evaporation\n- (B) permineralization\n- (C) preventing heat transfer\n- (D) allow growth\n- (E) it keeps an organism warm\n- (F) air cools\n- (G) Cell walls expand\n- (H) heat produced

Answer: (G)

Dilation occurs when cell walls relax. Blood flow is improved by vitamin E and it causes blood vessels to dilate or expand. When cell walls relax, they expand.


Question: What relaxes, thereby causing aneurysms?\nOptions:\n- (A) layers of fat\n- (B) Veins and arteries.\n- (C) sweating\n- (D) matter vibrating\n- (E) blood vessels\n- (F) the skin\n- (G) Chemical energy\n- (H) sensory neurons

Answer: (E)

Dilation occurs when cell walls relax. An aneurysm is a dilation of a blood vessel. Aneurysms are caused by relaxation of cell walls of blood vessels.


Question: What happens before the rigid structure that surrounds the plant cell dilates?\nOptions:\n- (A) It decreases\n- (B) competition\n- (C) air cools\n- (D) relaxation\n- (E) cracking\n- (F) sweating\n- (G) rapid expansion\n- (H) It expands

Answer: (D)

Dilation occurs when cell walls relax. Cell wall is the rigid structure that surrounds the plant cell. Dilation occurs when the rigid structure that surrounds the plant cell relaxes.


Question: What occurs when cell walls ease up?\nOptions:\n- (A) root growth\n- (B) air cools\n- (C) dilation\n- (D) sweating\n- (E) Dehydration\n- (F) recovery\n- (G) Exfoliation\n- (H) less water

Answer: (C)

Dilation occurs when cell walls relax. Slowly leg muscles ease up and shoulders relax. Dilation occurs when cell walls ease up.


Question: Dilation occurs when part of a cell that a what does not have relaxes.\nOptions:\n- (A) breathing\n- (B) organ\n- (C) the eyes\n- (D) abrasion\n- (E) complex\n- (F) animal\n- (G) nerves\n- (H) retina

Answer: (F)

Dilation occurs when cell walls relax. Animals have no cell walls. Dilation occurs when part of a cell that an animal does not have relaxes.


Question: Some crustaceans feed on\nOptions:\n- (A) phytoplankton\n- (B) fungi\n- (C) refraction of light\n- (D) heat energy\n- (E) an organism's body\n- (F) carbon\n- (G) algae\n- (H) salt and water.

Answer: (A)

Zooplankton are tiny animals that feed on phytoplankton. Many zooplankton are crustaceans. Some crustaceans feed on phytoplankton.


Question: Zooplankton are tiny animals that feed on what?\nOptions:\n- (A) sunlight\n- (B) vegetation\n- (C) Energy\n- (D) loose soil\n- (E) plant life\n- (F) diatoms\n- (G) fungi\n- (H) chemicals

Answer: (F)

Zooplankton are tiny animals that feed on phytoplankton. Diatoms are the predominant phytoplankton. Zooplankton are tiny animals that feed on diatoms.


Question: What do things that cannot make their own food need as a nutrient?\nOptions:\n- (A) Energy\n- (B) metal\n- (C) animals\n- (D) mud\n- (E) Energy.\n- (F) protein\n- (G) prototype\n- (H) fungi

Answer: (F)

Heterotrophs are living things that cannot make their own food. Proteins are an essential nutrient for heterotrophs . Living things that can't make their own food need protein.


Question: What obtain their food from plants and cannot make their own food?\nOptions:\n- (A) bacteria\n- (B) Flowers\n- (C) trees\n- (D) lichen\n- (E) animals\n- (F) fungi\n- (G) humans\n- (H) grass

Answer: (E)

Heterotrophs are living things that cannot make their own food. All animals are heterotrophic and obtain their food from plants. Animals obtain their food from plants and cannot make their own food.


Question: What is one thing fish cannot make?\nOptions:\n- (A) babies\n- (B) nests\n- (C) matter\n- (D) fat\n- (E) edible\n- (F) Energy\n- (G) bubbles\n- (H) food

Answer: (H)

Heterotrophs are living things that cannot make their own food. All fish are heterotrophic. Fish cannot make their own food.


Question: Most plants have what that that go down into the soil to soak up water and minerals?\nOptions:\n- (A) chemicals\n- (B) alveoli\n- (C) sodium\n- (D) nails\n- (E) feet\n- (F) anchors\n- (G) toes\n- (H) an ion

Answer: (F)

Most plants grow roots down into the soil to absorb water and minerals. Anchors plants, absorbs water and minerals. Most plants have anchors that go down into the soil to soak up water and minerals.


Question: What is a positive effect of plant needs for water and minerals from soil?\nOptions:\n- (A) erosion prevention\n- (B) reducing acid rain\n- (C) It helps them survive\n- (D) agriculture\n- (E) nutrient deficiency\n- (F) water run-off\n- (G) erosion\n- (H) Exfoliation

Answer: (A)

Most plants grow roots down into the soil to absorb water and minerals. Plant roots begin to stabilize the soil against erosion. The need for plants to absorb minerals and water from the soil also leads to them preventing soil erosion.


Question: What can a producer grow down into the soil in order to absorb minerals and water?\nOptions:\n- (A) Trees\n- (B) stems\n- (C) roots\n- (D) Oak\n- (E) seeds\n- (F) burrs\n- (G) grass\n- (H) water absorbing petals

Answer: (C)

Most plants grow roots down into the soil to absorb water and minerals. If the plant is green, it is a producer. Most producers grow roots down into the soil to absorb water and minerals.


Question: What grows into the soil to absorb water and minerals? \nOptions:\n- (A) NaCl\n- (B) vegetation\n- (C) burrs\n- (D) Trees\n- (E) grass\n- (F) Carrots\n- (G) Conifers\n- (H) potatoes

Answer: (F)

Most plants grow roots down into the soil to absorb water and minerals. Beets and carrots are the roots of plants. Most carrots grow down into the soil to absorb water and minerals.


Question: What can hiv infect and destroy part of?\nOptions:\n- (A) water\n- (B) parasitic\n- (C) epidermis and dermis\n- (D) the immune response\n- (E) Veins and arteries.\n- (F) Most plants\n- (G) the body's largest organ\n- (H) Trojan worm

Answer: (D)

HIV infects and destroys helper T cells. Helper T Cells Helper T cells are the brains behind immune response. HIV infects and destroys part of the immune response.


Question: What does the human immunodeficiency virus destroy?\nOptions:\n- (A) B cells\n- (B) bacteria\n- (C) helper T cells\n- (D) animals\n- (E) epidermis and dermis\n- (F) critical organs\n- (G) an organism's body\n- (H) cancer cells

Answer: (C)

HIV infects and destroys helper T cells. HIV, the human immunodeficiency virus, is a retrovirus. The human immunodeficiency virus infects and detroys helper T cells.


Question: What does hiv damage?\nOptions:\n- (A) Leptospirosis\n- (B) immunities\n- (C) Our immune system\n- (D) immunizations\n- (E) Veins and arteries.\n- (F) respiratory system\n- (G) Plant reproduction\n- (H) the body's largest organ

Answer: (C)

HIV infects and destroys helper T cells. Helper T cells are the critical link in our immune system. HIV damages our immune system.


Question: What infects and destroys helper t cells?\nOptions:\n- (A) swea\n- (B) Wasps\n- (C) AIDS\n- (D) CO 2\n- (E) PDAs\n- (F) humans\n- (G) heat\n- (H) anemia

Answer: (C)

HIV infects and destroys helper T cells. Scientists agree that HIV causes Aids. AIDS infects and destroys helper T cells.


Question: What type of acid contains inherited instructions for proteins?\nOptions:\n- (A) HIV\n- (B) p53\n- (C) genetic acids\n- (D) DNA\n- (E) SNPs\n- (F) protein acid\n- (G) RNA\n- (H) two

Answer: (D)

DNA contains genetic instructions for proteins, and RNA helps assemble the proteins. Genetic memory is inherited. DNA contains inherited instructions for proteins.


Question: What detects hybrids of the substance that helps assemble proteins?\nOptions:\n- (A) orchids\n- (B) sensory neurons\n- (C) peachleaf willow\n- (D) luminometer\n- (E) A computer\n- (F) animals\n- (G) A Greek letter\n- (H) scattered light

Answer: (D)

DNA contains genetic instructions for proteins, and RNA helps assemble the proteins. RNA hybrids are then detected by a luminometer. A luminometer detects hybrids of the substance that helps assemble proteins.


Question: Temperature and pressure receptors in most animals are located:\nOptions:\n- (A) Veins and arteries.\n- (B) in one limb each\n- (C) in the same organ\n- (D) an organism's body\n- (E) it keeps an organism warm\n- (F) in two different organs\n- (G) in plants\n- (H) frontal zones

Answer: (C)

Pressure receptors are found mainly in the skin. Temperature sensors in vertebrates are located in the skin and in the hypothalamus. Temperature and pressure sensors are located in the same organ in most animals.


Question: Something specialized to detect a stimulus is found mainly where?\nOptions:\n- (A) fields\n- (B) humans\n- (C) bushes\n- (D) bats\n- (E) a path\n- (F) skin\n- (G) retina\n- (H) Birds

Answer: (F)

Pressure receptors are found mainly in the skin. Sensory Receptors A receptor is any structure specialized to detect a stimulus. Something specialized to detect a stimulus is found mainly in the skin.


Question: _ are found mainly in the skin.\nOptions:\n- (A) To keep their body heat.\n- (B) Veins and arteries.\n- (C) layers of fat\n- (D) Leptospirosis\n- (E) refraction of light\n- (F) Pacinian corpuscles\n- (G) major threat to health\n- (H) it keeps an organism warm

Answer: (F)

Pressure receptors are found mainly in the skin. Pacinian corpuscles are pressure receptors. Pacinian corpuscles are found mainly in the skin.


Question: Pacinian corpuscles are found mainly in the _.\nOptions:\n- (A) tumor\n- (B) pupils\n- (C) muscle\n- (D) hair\n- (E) skin\n- (F) Man\n- (G) retina\n- (H) Summer

Answer: (E)

Pressure receptors are found mainly in the skin. Pacinian corpuscles are pressure receptors. Pacinian corpuscles are found mainly in the skin.


Question: Where in the plant does growth in width or girth originate?\nOptions:\n- (A) conductive tissue\n- (B) carbon dioxide\n- (C) Veins and arteries.\n- (D) It gets more light\n- (E) photosynthesis\n- (F) at or near the margins\n- (G) vascular tissue\n- (H) in the autumn season

Answer: (G)

Secondary meristem is located within and around the vascular tissues. Growth in girth is caused by other meristems, called secondary meristems. Plant growth in width or girth emanates from within and around the vascular tissues.


Question: How are plant cells around the vascular tissue created?\nOptions:\n- (A) meiosis\n- (B) metastasis\n- (C) haleotosis\n- (D) vegetation\n- (E) shrub beds\n- (F) made\n- (G) homogenous\n- (H) mitosis

Answer: (H)

Secondary meristem is located within and around the vascular tissues. Plant cell types rise by mitosis from a meristem . Plant cells around the vascular tissues are created by mitosis.


Question: Leaves lack what?\nOptions:\n- (A) heat energy\n- (B) heat or cold\n- (C) permineralization\n- (D) scattered light\n- (E) secondary meristem\n- (F) Plant growth is reduced\n- (G) Chlorophyll\n- (H) epidermis and dermis

Answer: (E)

Secondary meristem is located within and around the vascular tissues. Leaves lack Vascular Tissues. Leaves lack secondary meristem.


Question: The group of bipedal dinosaurs that included dromaeosaurs eventually evolved into:\nOptions:\n- (A) insects\n- (B) animals\n- (C) mammals\n- (D) running\n- (E) Man\n- (F) alpacas\n- (G) genus\n- (H) birds

Answer: (H)

Birds evolved from a group of bipedal dinosaurs called theropods. Dromaeosaurs are part of the theropod group of dinosaurs. Birds evolved from a group of bipedal dinosaurs that included Dromaeosaurs.


Question: Mushrooms are nonphotosynthetic and cannot what?\nOptions:\n- (A) reproduce\n- (B) make food to grow\n- (C) be seasoned\n- (D) Chemical energy\n- (E) Change colors\n- (F) refract or absorb.\n- (G) be eaten\n- (H) be absorbed

Answer: (B)

Fungi lack chlorophyll, so they cannot make food by photosynthesis as plants can. Like a mushroom, it lacks chlorophyll and is nonphotosynthetic. Mushrooms are nonphotosynthetic and cannot make food to grow.


Question: How do fungi get nutrition?\nOptions:\n- (A) Exfoliation\n- (B) agriculture\n- (C) heat produced\n- (D) Cooking\n- (E) absorb it\n- (F) Energy\n- (G) Evaporation\n- (H) glucose

Answer: (E)

Fungi lack chlorophyll, so they cannot make food by photosynthesis as plants can. Fungi are multicellular organisms that absorb their food molecule by molecule. Fungi lack chlorophyll, so they must absorb nutrition molecule by molecule.


Question: What do fungi lack that make them unable to make food as producers can?\nOptions:\n- (A) scattered light\n- (B) chlorophyll\n- (C) Energy.\n- (D) sunlight\n- (E) Energy\n- (F) acetic acid\n- (G) Chemical energy\n- (H) energy usage

Answer: (B)

Fungi lack chlorophyll, so they cannot make food by photosynthesis as plants can. If the plant is green, it is a producer. Fungi lack chlorophyll, so they cannot make food by photosynthesis as producers can.


Question: An animal that travels long distances is\nOptions:\n- (A) brown bear\n- (B) dangerous\n- (C) Riding a bike\n- (D) warm-blooded\n- (E) a barn swallow\n- (F) supersonic\n- (G) ground squirrel\n- (H) mountain gorilla

Answer: (E)

Migrants typically travel long distances. Barn swallows are Neotropical migrants. Barn swallows travel long distances.


Question: What do migrants usually do?\nOptions:\n- (A) move to different locations\n- (B) animal transport\n- (C) they will move to another area\n- (D) spread flower seeds\n- (E) dwell in a city\n- (F) travel to a far away place\n- (G) become their country president\n- (H) dwell on a farm

Answer: (F)

Migrants typically travel long distances. Distance Finder Find the distance between two places. Migrants usually travel between two places fa away from each other.


Question: What typically travel long distances?\nOptions:\n- (A) slugs\n- (B) snails\n- (C) home bodies\n- (D) manatees\n- (E) supersonic\n- (F) trains\n- (G) humans\n- (H) Cars

Answer: (D)

Migrants typically travel long distances. Manatees are a migrant species. Manatees typically travel long distances.


Question: Which of the following can travel longer than migrants each day?\nOptions:\n- (A) humans\n- (B) ducks\n- (C) Whales\n- (D) insects\n- (E) fur seals\n- (F) mammals\n- (G) vehicles\n- (H) alpacas

Answer: (C)

Migrants typically travel long distances. Whales travel long distances each day. While migrants would typically do so, whales can travel longer each day.


Question: What are a source of food for many fish species?\nOptions:\n- (A) layers of fat\n- (B) bird species\n- (C) human species\n- (D) keystone species\n- (E) Organic compounds\n- (F) barnacles\n- (G) gastropod shells\n- (H) species of deer

Answer: (D)

Sponges are a source of food for many species of fish. Sponges are also keystone species. Keystone species are a source of food for many fish species.


Question: Marine animals find these to be a great source of food:\nOptions:\n- (A) grain\n- (B) nutrient\n- (C) sponges\n- (D) Energy.\n- (E) sea vents\n- (F) sodium\n- (G) Energy\n- (H) fungi

Answer: (C)

Sponges are a source of food for many species of fish. Fish and other marine animals abound here. Sponges are a source of food for many marine animals.


Question: What can be a source of food for many species of fish?\nOptions:\n- (A) Fully cooking the oysters\n- (B) Organic compounds\n- (C) beef\n- (D) fishing poles\n- (E) sessile organisms\n- (F) barnacles\n- (G) grass\n- (H) gastropod shells

Answer: (E)

Sponges are a source of food for many species of fish. Most sponges are sessile. Sessile organisms can be a source of food for many species of fish.


Question: Oncogenes promote the division of cells using the damaged form of what?\nOptions:\n- (A) deoxyribonucleic acid\n- (B) oncogenes\n- (C) proteins\n- (D) Chemical energy\n- (E) epidermis and dermis\n- (F) the body's largest organ\n- (G) Veins and arteries.\n- (H) healthy cells

Answer: (A)

Oncogenes promote the division of cells with damaged DNA. DNA DNA is deoxyribonucleic acid. Oncogenes promote the division of cells with damaged deoxyribonucleic acid.


Question: Plants can be infected by what?\nOptions:\n- (A) human pathogens\n- (B) infected meat\n- (C) Pesticides\n- (D) insects\n- (E) human papillomavirus\n- (F) viruses\n- (G) fungi\n- (H) bacteria

Answer: (F)

Viruses infect and live inside the cells of living organisms. Plants are complex living organisms. Viruses infect and live inside the cells of plants.


Question: Viruses first infect, then they release into the host by doing what?\nOptions:\n- (A) Cooking\n- (B) kill them\n- (C) harm them\n- (D) lysing\n- (E) illness\n- (F) fever\n- (G) migrate\n- (H) propagate

Answer: (D)

Viruses infect and live inside the cells of living organisms. If the virus is nonenveloped it is released by lysing the host cell. Infection by viruses leads to lysing and release.


Question: What can a mammal produce by shivering?\nOptions:\n- (A) energy\n- (B) motion\n- (C) food\n- (D) warmth\n- (E) cells\n- (F) fur\n- (G) light\n- (H) matter

Answer: (A)

Mammals can also generate little bursts of heat by shivering. Basically, heat is energy. Mammals can generate little bursts of energy by shivering.


Question: What can polar bears do to generate heat?\nOptions:\n- (A) make fire\n- (B) eat ice\n- (C) stay warm\n- (D) nothing\n- (E) fur\n- (F) motors\n- (G) shiver\n- (H) sweating

Answer: (G)

Mammals can also generate little bursts of heat by shivering. Polar bears are mammals. Polar bears can generate heat by shivering.


Question: Mammals can also generate little bursts of heat through what?\nOptions:\n- (A) Movement of an air mass\n- (B) crackling\n- (C) Veins and arteries.\n- (D) electromagnetic energy\n- (E) house\n- (F) fire\n- (G) muscle contractions\n- (H) aerobic capacity

Answer: (G)

Mammals can also generate little bursts of heat by shivering. Shivering causes muscle contractions to warm the body. Mammals can also generate little bursts of heat through muscle contractions.


Question: What are killer whales?\nOptions:\n- (A) red and black\n- (B) They have thick fur\n- (C) dangerous\n- (D) sharks\n- (E) deep sea creatures\n- (F) marine species\n- (G) Absorb light\n- (H) animals

Answer: (F)

Marine species live mainly in shallow coastal waters. Killer whales prefer shallow and colder coastal waters. Killer whales are a marine species.


Question: Most organisms live mainly in\nOptions:\n- (A) shallow coastal waters\n- (B) the environment\n- (C) soil\n- (D) trees\n- (E) Earth orbiting the Sun\n- (F) ocean water\n- (G) plasma\n- (H) salt and water.

Answer: (A)

Marine species live mainly in shallow coastal waters. Most marine organisms live near the surface. Most organisms live mainly in shallow coastal waters.


Question: What kind of species of animals mainly live in waters?\nOptions:\n- (A) water plants\n- (B) warm-blooded\n- (C) colder and wetter\n- (D) aquatic animals\n- (E) aviary species of animals\n- (F) objects that have mass\n- (G) It helps them survive\n- (H) kindom animalia

Answer: (D)

Marine species live mainly in shallow coastal waters. All species are aquatic, most are marine. Aquatic species live mainly in shallow coastal waters.


Question: What live mainly in shallow coastal waters?\nOptions:\n- (A) Sea species\n- (B) Coast guards\n- (C) animals\n- (D) Live Whales\n- (E) Shallow people\n- (F) fur seals\n- (G) a fish\n- (H) parasites

Answer: (A)

Marine species live mainly in shallow coastal waters. Marine Science Marine science is the study of the sea. Sea species live mainly in shallow coastal waters.


Question: What kind of species are seahorses?\nOptions:\n- (A) horse\n- (B) seaweed\n- (C) edible\n- (D) marine\n- (E) a fish\n- (F) shellfish\n- (G) strong\n- (H) food

Answer: (D)

Marine species live mainly in shallow coastal waters. Seahorses inhabit shallow coastal waters, especially seagrass beds, coral reefs and mangrove swamps. Seahorses are marine species.


Question: What makes food from co and h 2? \nOptions:\n- (A) producers\n- (B) carbon atoms\n- (C) Most plants\n- (D) production lines\n- (E) light energy\n- (F) trees\n- (G) air pockets\n- (H) Chlorophyll

Answer: (A)

Producers make food from inorganic molecules. Among the small inorganic molecules which are economically attractive are CO and H 2 . Producers make food from CO and H 2.


Question: What do producers turn sunlight into?\nOptions:\n- (A) energy\n- (B) apples\n- (C) heat\n- (D) paper\n- (E) drinks\n- (F) waste\n- (G) inorganic goods\n- (H) food

Answer: (H)

Producers make food from inorganic molecules. Autotrophs absorb sunlight energy and transfer inorganic mineral nutrients into organic molecules. Producers make sunlight energy into food.


Question: What is able to make food using inorganic molecules?\nOptions:\n- (A) trees\n- (B) potatoes\n- (C) ozone\n- (D) organic fertilizer\n- (E) bacteria\n- (F) a plant\n- (G) a consumer\n- (H) fungi

Answer: (F)

Producers make food from inorganic molecules. If the plant is green, it is a producer. Plants make food from inorganic molecules.


Question: Autotrophs make food from what?\nOptions:\n- (A) Converting waste.\n- (B) members of their own species\n- (C) Chemical energy\n- (D) photosynthesis\n- (E) that material's properties\n- (F) inorganic molecules\n- (G) Organic compounds\n- (H) Chlorophyll

Answer: (F)

Producers make food from inorganic molecules. Autotrophs are referred to as producers. Autotrophs make food from inorganic molecules.


Question: What helps producers make food?\nOptions:\n- (A) Decomposition.\n- (B) heat energy\n- (C) honeybees\n- (D) Chemical energy\n- (E) Electrical energy\n- (F) animals\n- (G) an electric stove\n- (H) Power plants

Answer: (A)

Producers make food from inorganic molecules. Decomposition is the breakdown of organic molecules into inorganic molecules. Decomposition helps producers make food.


Question: What do organisms in the lowest trophic level use as food?\nOptions:\n- (A) Organic compounds\n- (B) food and shelter\n- (C) heat energy\n- (D) Chemical energy\n- (E) Chlorophyll\n- (F) members of their own species\n- (G) scarce resources\n- (H) inorganic molecules

Answer: (H)

Producers make food from inorganic molecules. Primary producers make up the lowest trophic level. The lowest trophic level makes food from inorganic molecules.


Question: Plants make food from what?\nOptions:\n- (A) Chemical energy\n- (B) inorganic molecules\n- (C) photosynthesis\n- (D) Light passing through water\n- (E) direct energy\n- (F) absorb light energy\n- (G) Organic compounds\n- (H) In their leaves

Answer: (B)

Producers make food from inorganic molecules. Plants are known as producers . Plants make food from inorganic molecules.


Question: What body part would be attached to the external framework?\nOptions:\n- (A) heart\n- (B) insects\n- (C) respiratory system\n- (D) wings\n- (E) humans\n- (F) Tail\n- (G) fat\n- (H) digestive system

Answer: (D)

Wings are part of the exoskeleton and attached to the thorax. An exoskeleton is an external framework. Wings are part of the external framework.


Question: What shares a location with spiracles?\nOptions:\n- (A) wings\n- (B) pistons\n- (C) white\n- (D) bats\n- (E) animals\n- (F) insects\n- (G) pollen\n- (H) ovaries

Answer: (A)

Wings are part of the exoskeleton and attached to the thorax. Spiracles are located on the abdomen and thorax. Wings and spiracles share a location.


Question: Animals can compete for territory, water, food, or what?\nOptions:\n- (A) environment\n- (B) bosses\n- (C) transportation\n- (D) vegetation\n- (E) plants\n- (F) Energy.\n- (G) partners\n- (H) energy

Answer: (G)

Animals may compete for territory, water, food, or mates. Mating Ducks usually look for a mate or partner in winter. Animals may compete for territory, water, food, or partners.


Question: Why do tigers compete?\nOptions:\n- (A) to get along with others\n- (B) pressure differences.\n- (C) to give territory to others\n- (D) They can distract drivers\n- (E) mate with females\n- (F) a hemisphere is tilted away from the sun\n- (G) to listen to the alpha male\n- (H) to gain territory and mates

Answer: (H)

Animals may compete for territory, water, food, or mates. Animals such as lions and tigers fight. Tigers may compete for territory, water, food, or mates.


Question: Sperm and egg nuclei combine to do what?\nOptions:\n- (A) combine genes\n- (B) rapid expansion\n- (C) fertilize gametes\n- (D) reproduce\n- (E) allow growth\n- (F) build proteins\n- (G) spread flower seeds\n- (H) remove eggs

Answer: (C)

Fertilization of gametes produces a diploid zygote. Sperm and egg nuclei combine to form the diploid zygotic nucleus 2. Sperm and egg nuclei combine to fertilize gametes.


Question: Fertilization of what would produce a diploid zygote?\nOptions:\n- (A) ovulation cell\n- (B) ova\n- (C) p53\n- (D) eggs\n- (E) diploid tissue\n- (F) fertilization cell\n- (G) corn\n- (H) ovum

Answer: (B)

Fertilization of gametes produces a diploid zygote. Examples of gametes are ova and spermatozoa. Fertilization of ova produces a diploid zygote.


Question: Fertilization of what would produce a diploid zygote?\nOptions:\n- (A) fetus\n- (B) seeds\n- (C) H 2 O\n- (D) bamboo\n- (E) offspring\n- (F) eggs\n- (G) apples\n- (H) sperm

Answer: (F)

Fertilization of gametes produces a diploid zygote. Female gametes are called eggs. Fertilization of eggs produces a diploid zygote.


Question: What produces a diploid zygote?\nOptions:\n- (A) salamanders\n- (B) Plant reproduction\n- (C) peachleaf willow\n- (D) permineralization\n- (E) sexual reproduction\n- (F) Veins and arteries.\n- (G) Chlorophyll\n- (H) Most plants

Answer: (E)

Fertilization of gametes produces a diploid zygote. Sexual reproduction requires formation of gametes, followed by fertilization. Sexual reproduction produces a diploid zygote.


Question: Fertilization of what leads to formation of multicellular embryo in venter\nOptions:\n- (A) seeds\n- (B) grow\n- (C) epidermal\n- (D) pollen\n- (E) Deposition\n- (F) fertile\n- (G) orchids\n- (H) gametes

Answer: (H)

Fertilization of gametes produces a diploid zygote. Diploid zygote forms multicellular embryo in venter. Fertilization of gametes leads to formation of multicellular embryo in venter.


Question: Plants shed their leaves in what season each year?\nOptions:\n- (A) spring season\n- (B) wet season\n- (C) firing season\n- (D) Summer\n- (E) When it's cold\n- (F) colder weather\n- (G) Winter\n- (H) dry season

Answer: (H)

Plants that shed their leaves seasonally each year are called deciduous plants. Trees here are largely deciduous, shedding their leaves in the dry season. Plants shed their leaves in the dry season each year.


Question: Members of what kingdom that shed their leaves seasonally each year are called deciduous.\nOptions:\n- (A) Fungi\n- (B) Winter\n- (C) air cools\n- (D) vegetation\n- (E) Animalia\n- (F) Protista\n- (G) epidermal\n- (H) Plantae

Answer: (H)

Plants that shed their leaves seasonally each year are called deciduous plants. All trees are in the Kingdom Plantae, the plants. Members of the kingdom Plantae that shed their leaves seasonally each year are called deciduous.


Question: Grapevines are plants that shed their leaves\nOptions:\n- (A) Winter\n- (B) during the day\n- (C) Exfoliation\n- (D) every season\n- (E) on random occasion\n- (F) seasonally\n- (G) When it's cold\n- (H) in no seasons

Answer: (F)

Plants that shed their leaves seasonally each year are called deciduous plants. Grapevines are woody deciduous plants. Grapevines are plants that shed their leaves seasonally.


Question: Which of these trees seasonally sheds its leaves?\nOptions:\n- (A) gone forever\n- (B) Exfoliation\n- (C) Most plants\n- (D) Mulberry\n- (E) ligt\n- (F) vegetation\n- (G) Heavy rains\n- (H) homogenous

Answer: (D)

Plants that shed their leaves seasonally each year are called deciduous plants. Mulberry trees are deciduous. Mulberry trees seasonally shed their leaves.


Question: What kind of plant would shed its leaves each year?\nOptions:\n- (A) it needs them\n- (B) grapevines\n- (C) burning coal\n- (D) warm-blooded\n- (E) When it's cold\n- (F) white\n- (G) heat or cold\n- (H) homogenous

Answer: (B)

Plants that shed their leaves seasonally each year are called deciduous plants. Grapevines are woody deciduous plants. Grapevines shed their leaves seasonally each year.


Question: What generally carries something bright red?\nOptions:\n- (A) bears\n- (B) veins\n- (C) arteries\n- (D) mammals\n- (E) nerves\n- (F) fur seals\n- (G) Cars\n- (H) bones

Answer: (C)

Arteries generally carry oxygen-rich blood. Oxygen-rich blood is bright red. Arteries generally carry something bright red.


Question: What do arteries carry in the body?\nOptions:\n- (A) solids\n- (B) antimatter\n- (C) glucose\n- (D) gases\n- (E) Air\n- (F) expelled\n- (G) liquid\n- (H) oxygen

Answer: (G)

Arteries generally carry oxygen-rich blood. Blood is a liquid organ. Arteries carry oxygen rich liquid.


Question: Arteries generally carry blood full of\nOptions:\n- (A) He\n- (B) Au\n- (C) O3\n- (D) O2\n- (E) DDT\n- (F) Ni\n- (G) CO2\n- (H) gas

Answer: (D)

Arteries generally carry oxygen-rich blood. About O2, every living thing requires oxygen in order to live. Arteries generally carry blood full of O2.


Question: What direction does something that has oxygen-rich blood go?\nOptions:\n- (A) mouth of rivers\n- (B) the body's largest organ\n- (C) move to different locations\n- (D) Earth orbiting the Sun\n- (E) Move to another area\n- (F) to move people\n- (G) animal transport\n- (H) Away from the heart

Answer: (H)

Arteries generally carry oxygen-rich blood. Arteries carry blood away from the heart. Something that brings blood away from the heart carries oxygen-rich blood.


Question: What are critical for erectile health?\nOptions:\n- (A) fur and fat\n- (B) Energy.\n- (C) Energy\n- (D) sweating\n- (E) exercise\n- (F) arteries\n- (G) strength\n- (H) a cuticle

Answer: (F)

Arteries generally carry oxygen-rich blood. Oxygen-rich blood is critical for erectile health. Arteries are critical for erectile health.


Question: Oxygen-rich blood is carried where?\nOptions:\n- (A) it keeps an organism warm\n- (B) mouth of rivers\n- (C) The area was once underwater\n- (D) running and lifting\n- (E) the body's largest organ\n- (F) away from the heart\n- (G) Earth orbiting the Sun\n- (H) four limbs

Answer: (F)

Arteries generally carry oxygen-rich blood. Arteries carry blood away from our heart. Oxygen-rich blood is carried away from our heart.


Question: Freshwater biomes contain water that contains little to no what?\nOptions:\n- (A) cations\n- (B) Acids\n- (C) Nutrients\n- (D) sodium\n- (E) Pollution\n- (F) animals\n- (G) plants\n- (H) water

Answer: (D)

Freshwater biomes have water that contains little or no salt. Another name for salt is sodium. Freshwater biomes have water that contains little or not sodium.


Question: What lives in water that contains little or no salt?\nOptions:\n- (A) animals\n- (B) terrapins\n- (C) a fish\n- (D) Chlorophyll\n- (E) bacteria\n- (F) sharks\n- (G) sodium\n- (H) humans

Answer: (B)

Freshwater biomes have water that contains little or no salt. Terrapins are freshwater turtles. Terrapins live in water that contains little or no salt.


Question: Biomes that have suffered mainly from pollution have water that contains little or no what?\nOptions:\n- (A) Toxins\n- (B) CO 2\n- (C) liquid\n- (D) salt\n- (E) Lead\n- (F) Carbon\n- (G) Acids\n- (H) sulfur

Answer: (D)

Freshwater biomes have water that contains little or no salt. Freshwater biomes have suffered mainly from pollution. Biomes that have suffered mainly from pollution have water that contains little or no salt.


Question: How do starfish communicate with each other?\nOptions:\n- (A) huddle together\n- (B) writing\n- (C) during the day\n- (D) pheromones\n- (E) Chemical energy\n- (F) waving their arms\n- (G) Decibels\n- (H) talking

Answer: (D)

Echinoderms use pheromones to communicate with each other. Echinoderms are represented by the starfish. Starfish use pheromones to communicate with each other.


Question: Flower spores eventually develop into an entity that is:\nOptions:\n- (A) sperm\n- (B) fertile\n- (C) mammalian\n- (D) ferns\n- (E) fungi\n- (F) development\n- (G) haploid\n- (H) plants

Answer: (G)

Flowers produce spores that develop into gametophytes. All gametophytes are haploid. Flowers produce spores that develop into haploid entities.


Question: Protonemas develop into what?\nOptions:\n- (A) alveoli\n- (B) ferns\n- (C) lmestone\n- (D) disease\n- (E) illness\n- (F) parasites\n- (G) gas\n- (H) spores

Answer: (H)

Flowers produce spores that develop into gametophytes. Gametophytes arise from a protonema. Flowers produce spores from a protonema.


Question: What produces spores that develop into gametophytes?\nOptions:\n- (A) fungi\n- (B) cacti\n- (C) plants\n- (D) ferns\n- (E) Orchids\n- (F) PDAs\n- (G) barnacles\n- (H) bushes

Answer: (E)

Flowers produce spores that develop into gametophytes. Another interesting flower is the Orchid flower. Orchids produce spores that develop into gametophytes.


Question: What shape are the things that develop from spores?\nOptions:\n- (A) fungi\n- (B) a prism\n- (C) small\n- (D) Heart\n- (E) complex\n- (F) bushes\n- (G) ferns\n- (H) gills

Answer: (D)

Flowers produce spores that develop into gametophytes. Gametophytes are photosynthetic and often heart-shaped. Flowers produce spores that develop something heart-shaped.


Question: What can affect the structures in the cytoplasm where proteins are made/\nOptions:\n- (A) aspirin\n- (B) insulin\n- (C) interact\n- (D) harm them\n- (E) temperature\n- (F) Damages them\n- (G) antibiotics\n- (H) sunlight

Answer: (G)

Ribosomes are structures in the cytoplasm where proteins are made. Many antibiotics affect the ribosome. Many antibiotices affect the structures in the cytoplasm where proteins are made.


Question: Proteins are made in organelles within the what?\nOptions:\n- (A) cytoplasm\n- (B) Most plants\n- (C) bacteria\n- (D) alveoli\n- (E) virus\n- (F) organ\n- (G) Conifers\n- (H) phylum

Answer: (A)

Ribosomes are structures in the cytoplasm where proteins are made. Ribosomes and other organelles begin to duplicate . Proteins are made in organelles within the cytoplasm.


Question: Where in a cell are ribosomes located?\nOptions:\n- (A) outside the nucleus\n- (B) Most plants\n- (C) solid, liquid, gas\n- (D) allow growth\n- (E) Veins and arteries.\n- (F) Earth orbiting the Sun\n- (G) Chlorophyll\n- (H) the body's largest organ

Answer: (A)

Ribosomes are structures in the cytoplasm where proteins are made. Outside the nucleus is cytoplasm. Ribosomes are structures outside the nucleus where proteins are made.


Question: Roundworms reproduce using meiosis and what?\nOptions:\n- (A) karyogamy\n- (B) pollen\n- (C) survive\n- (D) reproduce\n- (E) allow growth\n- (F) Energy\n- (G) Leptospirosis\n- (H) seeds

Answer: (A)

Roundworms reproduce sexually. Sexual reproduction involves karyogamy and meiosis. Roundworms reproduce using karyogamy and meiosis.


Question: Nematodes reproduce how?\nOptions:\n- (A) root growth\n- (B) heat or cold\n- (C) pollen\n- (D) electrically\n- (E) sexually\n- (F) seeds\n- (G) survive\n- (H) a cuticle

Answer: (E)

Roundworms reproduce sexually. Nematodes are millimeter-sized roundworms. Nematodes reproduce sexually.


Question: What would a person do that would reduce their body heat?\nOptions:\n- (A) using steel\n- (B) Exfoliation\n- (C) Evaporation\n- (D) drink a warm drink\n- (E) burning coal\n- (F) perspire\n- (G) exercise outside\n- (H) take a nap

Answer: (F)

Sweating reduces body heat. People of all ages and activity levels perspire or sweat. Perspiration reduces body heat.


Question: Saltwater excretion reduces what?\nOptions:\n- (A) emissions\n- (B) dehydration\n- (C) light energy\n- (D) bacteria\n- (E) sweat\n- (F) energy usage\n- (G) evaporation\n- (H) body heat

Answer: (H)

Sweating reduces body heat. Sweat is made of salt and water. Saltwater excretion reduces body heat.


Question: What will make human temperatures go in a different direction from what sweating would do?\nOptions:\n- (A) humidity\n- (B) shivering\n- (C) improve\n- (D) energy usage\n- (E) a blazing fire\n- (F) hot air\n- (G) harm them\n- (H) Damages them

Answer: (B)

Sweating reduces body heat. Shivering produces heat in the body. Sweating and shivering have different effects on our core temperatures.


Question: What does taking off one's clothing improve the efficacy of?\nOptions:\n- (A) recovery\n- (B) hydration\n- (C) Sweating\n- (D) Modesty\n- (E) Waterproofing\n- (F) Exfoliation\n- (G) Honesty\n- (H) staying warm

Answer: (C)

Sweating reduces body heat. Clothing reduces the effectiveness of sweating as a means of cooling the body. Clothing can have an impact on the effectiveness of sweating to cool the body.


Question: How does sweating cool the body?\nOptions:\n- (A) Riding a bike\n- (B) all liquids\n- (C) layers of fat\n- (D) staying warm\n- (E) evaporation\n- (F) Animal survival\n- (G) matter vibrating\n- (H) hydration

Answer: (E)

Sweating reduces body heat. Sweat cools the body by evaporation, which removes heat from the body surface. Sweating cools the body by evaporation.


Question: What might be stored in limestone?\nOptions:\n- (A) carbonated water\n- (B) chemicals\n- (C) cigars\n- (D) candles\n- (E) Energy.\n- (F) carbon\n- (G) Energy\n- (H) fossils

Answer: (F)

Carbon may be stored in sedimentary rock for millions of years. Limestone is a type of sedimentary rock. Carbon might be stored in limestone.


Question: What element can be stored in limestone for millions of years?\nOptions:\n- (A) oxygen\n- (B) Energy\n- (C) matter\n- (D) carbon\n- (E) sodium\n- (F) helium\n- (G) rock salt\n- (H) heat

Answer: (D)

Carbon may be stored in sedimentary rock for millions of years. Limestone is a type of sedimentary rock. Carbon may be stored in limestone for millions of years.


Question: What may be stored in sedimentary rock for millions of years.\nOptions:\n- (A) Sand castles\n- (B) Chemical energy\n- (C) heat energy\n- (D) Millions of dollars.\n- (E) A fuel source.\n- (F) Energy.\n- (G) In sediment\n- (H) Stored animal fur.

Answer: (E)

Carbon may be stored in sedimentary rock for millions of years. Carbon is the fuel source. A fuel source may be stored in sedimentary rock for millions of years.


Question: What element may be stored in sandstone for millions of years?\nOptions:\n- (A) copper\n- (B) calcium\n- (C) carbon\n- (D) chemicals\n- (E) heat\n- (F) iron\n- (G) rock\n- (H) fossils

Answer: (C)

Carbon may be stored in sedimentary rock for millions of years. Sedimentary Rocks One of the commonest sedimentary rocks is sandstone. Carbon may be stored in sandstone for millions of years.


Question: The loss in length of what causes cells to age?\nOptions:\n- (A) fur and fat\n- (B) layers of fat\n- (C) cell membrane\n- (D) sunlight\n- (E) Chlorophyll\n- (F) telomeres\n- (G) programmed cell death\n- (H) cancer

Answer: (F)

Aging occurs as cells lose their ability to divide. Portions of the telomeres are lost each time a cell divides. Aging occurs as cells lose their telomeres.


Question: What happens as cells lose their ability to divide?\nOptions:\n- (A) anemia\n- (B) puberty\n- (C) negative\n- (D) radiation\n- (E) getting old\n- (F) replication\n- (G) Dehydration\n- (H) having a baby

Answer: (E)

Aging occurs as cells lose their ability to divide. Gerontology is the study of the aging process and old age. Getting old occurs as cells lose their ability to divide.


Question: Evolution occurs in response to what in life?\nOptions:\n- (A) static events\n- (B) global warming\n- (C) that material's properties\n- (D) changing phenomenon\n- (E) major threat to health\n- (F) changing tides\n- (G) Animal survival\n- (H) isolated events

Answer: (D)

Evolution occurs in response to a change in the environment. Different environments Life is a changing phenomenon. Evolution occurs in response to changing phenomenon in life.


Question: What occurs in response to a change in the environment?\nOptions:\n- (A) relocation\n- (B) sunlight\n- (C) moonlight\n- (D) artificial selection\n- (E) ground to shake\n- (F) Animal survival\n- (G) natural selection\n- (H) It helps them survive

Answer: (G)

Evolution occurs in response to a change in the environment. Natural selection is the main mechanism of evolution. Natural selection occurs in response to a change in the envionrment.


Question: What occurs in animals as they respond to changes in their habitat?\nOptions:\n- (A) starvation\n- (B) evolution\n- (C) arousal\n- (D) relocation\n- (E) resistance\n- (F) dependency\n- (G) Leptospirosis\n- (H) Movement

Answer: (B)

Evolution occurs in response to a change in the environment. Animals react instinctively to changes in their environment. Evolution occurs in animals as they respond to change in their habitat.


Question: A significant evolutionary response might be the result of what?\nOptions:\n- (A) Plant reproduction\n- (B) Greenhouse gasses\n- (C) climate change\n- (D) rapid expansion\n- (E) Plants growth\n- (F) competition\n- (G) Chemical energy\n- (H) Electrical energy

Answer: (C)

Evolution occurs in response to a change in the environment. Climate change is likely to have a significant impact on the global environment and human society. Climate change is likely to result in a significant evolutionary response.


Question: What forms in shallow tropical water?\nOptions:\n- (A) ocean\n- (B) romance\n- (C) bushes\n- (D) ferns\n- (E) reefs\n- (F) bamboo\n- (G) fossils\n- (H) snorkelling

Answer: (E)

Corals form large colonies in shallow tropical water. Huge colonies of hard corals form coral reefs . Reefs form in shallow tropical water.


Question: Where do corals form large colonies?\nOptions:\n- (A) Mars\n- (B) new World\n- (C) Sediment\n- (D) shoreline\n- (E) environment\n- (F) Absorb light\n- (G) loose soil\n- (H) polyps

Answer: (D)

Corals form large colonies in shallow tropical water. Water is shallow at the shore with gradual deepening. Corals form large colonies at the shoreline.


Question: Something in the polyp stage can form large colonies in shallow tropical what?\nOptions:\n- (A) mountains\n- (B) ice\n- (C) porous\n- (D) CO 2\n- (E) complex\n- (F) colonies\n- (G) wetland\n- (H) water

Answer: (H)

Corals form large colonies in shallow tropical water. Corals Corals are in the polyp stage. Something in the polyp stage can form large colonies in shallow tropical water.


Question: What has a characteristic life cycle that includes alternation of generations?\nOptions:\n- (A) humans\n- (B) leaves\n- (C) Oak\n- (D) dogs\n- (E) Trees\n- (F) cacti\n- (G) amoeba\n- (H) ferns

Answer: (H)

All plants have a characteristic life cycle that includes alternation of generations. All ferns are shade plants. Ferns have a characteristic life cycle that includes alternation of generations.


Question: All of what have a characteristic life cycle that includes alternation of descendants?\nOptions:\n- (A) Conifers\n- (B) flowers\n- (C) apples\n- (D) plants\n- (E) amoeba\n- (F) Trees\n- (G) Oak\n- (H) Spruce

Answer: (D)

All plants have a characteristic life cycle that includes alternation of generations. Descendant includes descendants of all generations. All plants have a characteristic life cycle that includes alternation of descendants.


Question: What has a life cycle that includes alterations of generations?\nOptions:\n- (A) apple\n- (B) trees\n- (C) salmon\n- (D) Spruce\n- (E) insects\n- (F) animals\n- (G) Cane.\n- (H) bees

Answer: (B)

All plants have a characteristic life cycle that includes alternation of generations. Many of the plants are fruit trees. All trees have a characteristic life cycle that includes alternation of generations.


Question: What is it called when male gametes are propelled because of muscle contractions?\nOptions:\n- (A) competition\n- (B) rapid expansion\n- (C) intercourse\n- (D) thrusting\n- (E) a wave\n- (F) reproductions\n- (G) A Greek letter\n- (H) ejaculation

Answer: (H)

Ejaculation occurs when muscle contractions propel sperm from the epididymes. Male gametes are called sperm. Ejaculation occurs when muscle contractions propel male gametes from the epididymes.


Question: Bacterial infection can inhibit ejaculation of what?\nOptions:\n- (A) babies\n- (B) sperm\n- (C) sugar\n- (D) animals\n- (E) erection\n- (F) eggs\n- (G) humans\n- (H) pregnancy

Answer: (B)

Ejaculation occurs when muscle contractions propel sperm from the epididymes. Bacteria usually cause epididymitis. Ejaculation of sperm can be inhibited by bacterial infection.


Question: What occurs when muscles contract and propel male gametes?\nOptions:\n- (A) fertilization\n- (B) sex\n- (C) ejaculation\n- (D) electrically\n- (E) rapid expansion\n- (F) motion\n- (G) competition\n- (H) intercourse

Answer: (C)

Ejaculation occurs when muscle contractions propel sperm from the epididymes. Male gametes are called sperm. Ejaculation occurs when muscle contractions propel male gametes.


Question: When will an egg become fertilized?\nOptions:\n- (A) After ejaculation\n- (B) Fully cooking the oysters\n- (C) allow growth\n- (D) Earth orbiting the Sun\n- (E) in the autumn season\n- (F) colder and wetter\n- (G) Plant reproduction\n- (H) during the day

Answer: (A)

Ejaculation occurs when muscle contractions propel sperm from the epididymes. An egg is fertilized by sperm. Eggs are fertilized after ejaculation.


Question: Bees are attracted to?\nOptions:\n- (A) plant life\n- (B) tree bark\n- (C) orchids\n- (D) plants\n- (E) flowers\n- (F) plant stems\n- (G) shrub leaves\n- (H) bushes

Answer: (E)

Flowers attract animal pollinators. Bees are effective pollinators. Flowers attract bees.


Question: Bees and other insects are attracted on purpose by what?\nOptions:\n- (A) colors\n- (B) orchids\n- (C) human food\n- (D) chemicals\n- (E) flowers\n- (F) humans\n- (G) pollen\n- (H) perfume

Answer: (E)

Flowers attract animal pollinators. Insects are the most common animal pollinators, and bees are the most common insect pollinators. Flowers attract bees and other insects.


Question: What help prokaryotes to move?\nOptions:\n- (A) organisms\n- (B) tentacles\n- (C) glucose\n- (D) feet\n- (E) Energy.\n- (F) Energy\n- (G) Mitosis\n- (H) cilia

Answer: (H)

Flagella help prokaryotes move. Flagella are elongated cilia which moves like a whip or a tail. Cilia help prokaryotes move.


Question: What moves with long filaments?\nOptions:\n- (A) prokaryotes\n- (B) sponges\n- (C) an object\n- (D) lizards\n- (E) protein\n- (F) sensory neurons\n- (G) insects\n- (H) Most plants

Answer: (A)

Flagella help prokaryotes move. Flagella are long filaments made up of the protein flagellin. Long filaments help prokaryotes move.


Question: What helps prokaryotes move?\nOptions:\n- (A) sensory neurons\n- (B) heat energy\n- (C) Feet.\n- (D) Wheels.\n- (E) Hair-like projections.\n- (F) Moving vans.\n- (G) Chemical energy\n- (H) kinetic energy

Answer: (E)

Flagella help prokaryotes move. Flagella are hair-like projections from the surface of cells. Hair-like projections from the surface of cells that help prokaryotes move.


Question: Microtubules help prokaryotes _.\nOptions:\n- (A) live\n- (B) dense\n- (C) store\n- (D) grow\n- (E) work\n- (F) move\n- (G) growth\n- (H) ferns

Answer: (F)

Flagella help prokaryotes move. Cilia and flagella are composed of microtubules. Microtubules help prokaryotes move.


Question: What results when intracellular pathogens evade activation of the cell?\nOptions:\n- (A) resistance\n- (B) Leptospirosis\n- (C) major threat to health\n- (D) Allergies\n- (E) hospitalization\n- (F) Localized damage\n- (G) active immunity\n- (H) massive damage

Answer: (G)

Active immunity results when an immune response to a pathogen produces memory cells. Mechanisms by which intracellular pathogens evade activation of the cell mediated immune response. Active immunity results when intracellular pathogens evade activation of the cell.


Question: What creates active immunity from a parasite?\nOptions:\n- (A) Cooking\n- (B) memory cells\n- (C) alpacas\n- (D) peachleaf willow\n- (E) Allergies\n- (F) mammals\n- (G) an organism's body\n- (H) animals

Answer: (B)

Active immunity results when an immune response to a pathogen produces memory cells. If the parasite causes harm, it is a pathogen. When a parasite produces memory cells, active immunity results.


Question: What is caused by a reduction of a hormone that helps cells absorb sugar from the blood?\nOptions:\n- (A) Dehydration\n- (B) anemia\n- (C) diabetes\n- (D) glucose\n- (E) cancer\n- (F) fever\n- (G) low blood sugar\n- (H) strokes

Answer: (C)

Insulin is a hormone that helps cells absorb sugar from the blood. Diabetes is caused by a reduction in insulin or a resistance to insulin. Diabetes is caused by a reduction of a hormone that helps cells absorb sugar from the blood.


Question: What is absorbed from the blood when someone uses the hormone or a medicine containing insulin?\nOptions:\n- (A) red blood cells\n- (B) Energy\n- (C) glucose\n- (D) sodium\n- (E) oxygen\n- (F) heat\n- (G) lmestone\n- (H) Energy.

Answer: (C)

Insulin is a hormone that helps cells absorb sugar from the blood. Blood Sugar Glucose is sugar. Insulin is a hormone that helps cells absorb glucose from the blood.


Question: What is caused by a lack of a hormone that helps cells absorb sugar from the blood?\nOptions:\n- (A) glucose\n- (B) cancer\n- (C) resistance\n- (D) diabetes\n- (E) fever\n- (F) serotonin\n- (G) epilepsy\n- (H) Dehydration

Answer: (D)

Insulin is a hormone that helps cells absorb sugar from the blood. Diabetes is caused by a lack of insulin. Diabetes is caused by a lack of hormone that helps cells absorb sugar from the blood.


Question: Insulin is a hormone that helps absorb what from the blood?\nOptions:\n- (A) hormones\n- (B) blood cells\n- (C) glucose\n- (D) Energy\n- (E) water\n- (F) Energy.\n- (G) Joules\n- (H) hydration

Answer: (C)

Insulin is a hormone that helps cells absorb sugar from the blood. Blood Sugar Glucose is sugar. Insulin is a hormone that helps cells absorb glucose from the blood.


Question: What is important for the chemical equilibrium of the body?\nOptions:\n- (A) sleep\n- (B) exercise\n- (C) hydration\n- (D) dish soap\n- (E) eyesight\n- (F) hormones\n- (G) detergent\n- (H) glucose

Answer: (F)

Hormones control many cell activities, so they are very important for homeostasis. Homeostasis is the chemical equilibrium of the body. Hormones are very important for the chemical equilibrium of the body.


Question: Which chemical controls sexual development and reproduction in females?\nOptions:\n- (A) acetic acid\n- (B) Hemoglobin\n- (C) Fructose\n- (D) barnacles\n- (E) animals\n- (F) Estrogen\n- (G) Pesticides\n- (H) Baby spray

Answer: (F)

Sex hormones are chemical messengers that control sexual development and reproduction. Estrogens are female sex hormones. Estrogen controls sexual development and reproduction in females.


Question: _carry signals that control sexual development and reproduction\nOptions:\n- (A) sex hormones\n- (B) electricity\n- (C) nucleic acid\n- (D) Most plants\n- (E) animals\n- (F) genes\n- (G) dendrites\n- (H) photons

Answer: (A)

Sex hormones are chemical messengers that control sexual development and reproduction. Chemical messengers carry signals from one nerve branch to another. Sex hormones carry signals that control sexual development and reproduction.


Question: _ carry signals that control sexual development and reproduction.\nOptions:\n- (A) photons\n- (B) sex hormones\n- (C) nerves\n- (D) Most plants\n- (E) organs\n- (F) orchids\n- (G) animals\n- (H) insects

Answer: (B)

Sex hormones are chemical messengers that control sexual development and reproduction. Chemical messengers carry signals from one nerve branch to another. Sex hormones carry signals that control sexual development and reproduction.


Question: Vertebrates are animals that have what?\nOptions:\n- (A) major threat to health\n- (B) the digestive system\n- (C) characteristics\n- (D) a three chambered heart\n- (E) moving bones and joints\n- (F) scales on their skin\n- (G) a vertebrate column\n- (H) aerobic capacity

Answer: (G)

Vertebrates are animals that have a backbone. All vertebrates have a backbone or vertebral column. Vertebrates are animals that have a vertebral column.


Question: If an animal has a spinal column in their skeletal system what is it called?\nOptions:\n- (A) skeletal animal\n- (B) vertebrate\n- (C) A Greek letter\n- (D) invertebrated\n- (E) organ\n- (F) critical organs\n- (G) spined animal\n- (H) epidermal

Answer: (B)

Vertebrates are animals that have a backbone. Vertebrates generally have a backbone called the spinal column. Vertebrates are animals that have a spinal column in their skeletal system.


Question: What may become unbalanced if the lungs are working too fast or too slow?\nOptions:\n- (A) Decibels\n- (B) hair on head\n- (C) air pressure\n- (D) gasoline levels\n- (E) Acids\n- (F) energy usage\n- (G) brain chemistry\n- (H) blood pH

Answer: (H)

Blood pH may become unbalanced if the rate of breathing is too fast or too slow. Mammals breathe with lungs. Blood pH may become unbalanced if the lungs are working too fast or too slow.


Question: What is affected by too fast or slow respirations?\nOptions:\n- (A) perspiration\n- (B) breathing\n- (C) heat energy\n- (D) animals\n- (E) blood pH\n- (F) Most plants\n- (G) hyperventilating\n- (H) sweating

Answer: (E)

Blood pH may become unbalanced if the rate of breathing is too fast or too slow. Slow and fast respirations or long periods without a breath are common in the dying child. Blood pH may become unbalanced if respiration is too fast or too slow.


Question: What can lead to alkalosis?\nOptions:\n- (A) metabolic reaction\n- (B) Breathing too fast or too slow\n- (C) Drinking too much water.\n- (D) Something that causes allergies\n- (E) Sleeping too much.\n- (F) direct damage to the lungs\n- (G) Warm air moving into cold air\n- (H) Eating too much.

Answer: (B)

Blood pH may become unbalanced if the rate of breathing is too fast or too slow. Alkalosis is a blood pH above 7.45. Rate of breathing being too fast or too slow can lead to alkalosis.


Question: What may become unbalanced if the rate of breathing is too fast or too slow?\nOptions:\n- (A) meiosis\n- (B) rain levels\n- (C) photosynthesis\n- (D) blood acidity\n- (E) an organism's body\n- (F) Veins and arteries.\n- (G) kinetic energy\n- (H) swamp vegetation

Answer: (D)

Blood pH may become unbalanced if the rate of breathing is too fast or too slow. Acidity is measured with a pH meter or with pH paper strips. Blood acidity may become unbalanced if the rate of breathing is too fast or too slow.


Question: If the rate of breathing is too fast or too slow, what my become unstable?\nOptions:\n- (A) our planet\n- (B) environment\n- (C) state\n- (D) all matter\n- (E) our star\n- (F) blood pH\n- (G) cigarettes\n- (H) fronts

Answer: (F)

Blood pH may become unbalanced if the rate of breathing is too fast or too slow. When a compound is unbalanced it becomes unbalanced and unstable. Blood pH may become unstable if the rate of breathing is too fast or too slow.


Question: What sea creature reproduces without gamete fusion?\nOptions:\n- (A) white\n- (B) amoeba\n- (C) embryos\n- (D) a fish\n- (E) alpacas\n- (F) swea\n- (G) Schwinn\n- (H) polyp

Answer: (H)

Polyps usually reproduce asexually. Plants with Asexual Reproduction Plants with asexual reproduction have no gamete fusion. Polyps reproduce with no gamete fusion.


Question: What detect and respond to diurnal cycles?\nOptions:\n- (A) tides\n- (B) stars\n- (C) fens\n- (D) Oak\n- (E) Conifers\n- (F) humans\n- (G) water\n- (H) plants

Answer: (H)

Plants detect and respond to the daily cycle of light and darkness. Diurnal cycles Diurnal cycles are the daily cycles of light and darkness. Plants detect and respond to diurnal cycles.


Question: What is the name of the light cycle that plants detect?\nOptions:\n- (A) photons\n- (B) three\n- (C) Summer\n- (D) diurnal\n- (E) autumn\n- (F) Energy.\n- (G) Energy\n- (H) sunlight

Answer: (D)

Plants detect and respond to the daily cycle of light and darkness. Diurnal cycles Diurnal cycles are the daily cycles of light and darkness. Plants detect and respond to diurnal cycles.


Question: What disease is caused when mitosis is regulated?\nOptions:\n- (A) tuburculosis\n- (B) death\n- (C) HIV\n- (D) disease\n- (E) illness\n- (F) arthritis\n- (G) Toxicity\n- (H) cancer

Answer: (H)

Cancer is a disease that occurs when the cell cycle is no longer regulated. Mitosis is part of the cell cycle. Cancer is a disease that occurs when mitosis is no longer regulated.


Question: One tumor suppressor protein which often results in cancer when it stops functioning is:\nOptions:\n- (A) gene\n- (B) p53\n- (C) tumors\n- (D) HIV\n- (E) enzyme\n- (F) tRNA\n- (G) DNA\n- (H) TRH

Answer: (B)

Cancer is a disease that occurs when the cell cycle is no longer regulated. Another critical protein in regulating the cell cycle is the tumor suppressor protein p53 . Cancer is a disease that often results when tumor suppresor proteins, like p53, stop functioning.


Question: What is a disease that occurs when the cell cycle is no longer regulated?\nOptions:\n- (A) dangerous\n- (B) illness\n- (C) Smoking\n- (D) Mumps\n- (E) Leukemia\n- (F) parasites\n- (G) Measles\n- (H) Diabetes

Answer: (E)

Cancer is a disease that occurs when the cell cycle is no longer regulated. And leukemia and lymphoma are forms of cancer. Leukemia is a disease that occurs when the cell cycle is no longer regulated.


Question: Brain tumors occur when what is no longer regulated?\nOptions:\n- (A) fossil fuels\n- (B) headaches\n- (C) voltage\n- (D) heat or cold\n- (E) cell cycles\n- (F) critical organs\n- (G) cerebellum\n- (H) migraines

Answer: (E)

Cancer is a disease that occurs when the cell cycle is no longer regulated. Brain tumors are one of the fastest growing cancers today. Brain tumors occur when the cell cycle is no longer regulated.


Question: P16 is an example of what type of thing that causes cancer when it stops functiong properly?\nOptions:\n- (A) Toxins\n- (B) edema\n- (C) gene\n- (D) ferns\n- (E) CO 2\n- (F) PDAs\n- (G) HIV\n- (H) albino

Answer: (C)

Cancer is a disease that occurs when the cell cycle is no longer regulated. P16 is a regulator of the cell division cycle. Cancer is a disease that occurs when genes like P16 stop functioning properly.


Question: Macroevolution occurs how above the level of the species.\nOptions:\n- (A) swiftly\n- (B) slowly\n- (C) quickly\n- (D) forces\n- (E) never\n- (F) ferns\n- (G) animals\n- (H) three

Answer: (B)

Macroevolution occurs over geologic time above the level of the species. And geologic time is very, very slow. Macroevolution occurs very, very slowly above the level of the species.


Question: What is considered to be part of macroevolution?\nOptions:\n- (A) Man\n- (B) genus\n- (C) pollen\n- (D) Birds\n- (E) legumes\n- (F) power\n- (G) embryos\n- (H) animals

Answer: (B)

Macroevolution occurs over geologic time above the level of the species. Species is a property of genus, genus is a property of family, etc. Macroevolution occurs over geologic time at the level of genus or above.


Question: Macroevolution most likely occurs over what period of time?\nOptions:\n- (A) Summer\n- (B) length\n- (C) eons\n- (D) long\n- (E) growth\n- (F) Earth\n- (G) years\n- (H) scale

Answer: (C)

Macroevolution occurs over geologic time above the level of the species. All geologic time can be divided into two eons. Macroevolution occurs over eons.


Question: Macroevolution can occur in the taxonomical level called:\nOptions:\n- (A) ferns\n- (B) alpacas\n- (C) complex\n- (D) three\n- (E) cracking\n- (F) family\n- (G) PDAs\n- (H) ligt

Answer: (F)

Macroevolution occurs over geologic time above the level of the species. Few families rival Piperaceae for difficulties at the species level. Macroevolution can occur in the taxonomical level called family.


Question: Many _ can cause the immune system to not work properly.\nOptions:\n- (A) fever\n- (B) bacteria\n- (C) radiation\n- (D) fungi\n- (E) A drug.\n- (F) Allergies\n- (G) cancers\n- (H) Toxicity

Answer: (G)

Immunodeficiency occurs when the immune system is not working properly. Many cancers can cause immunodeficiency. Many cancers can cause the immune system to not work properly.


Question: Organisms in a marine biome must be be adapted to what in the water?\nOptions:\n- (A) mud\n- (B) Nutrients\n- (C) sodium\n- (D) toxins\n- (E) motion\n- (F) sugar\n- (G) energy\n- (H) an anion

Answer: (C)

Organisms that live in marine biomes must be adapted to the salt in the water. Another name for salt is sodium. Organisms that live in marine biomes must be adapted to the sodium in the water.


Question: Organisms that live in marine biomes must be adapted to what?\nOptions:\n- (A) Deposition\n- (B) fish\n- (C) waves\n- (D) darkness\n- (E) salinity\n- (F) heat or cold\n- (G) evaporation\n- (H) Deposition.

Answer: (E)

Organisms that live in marine biomes must be adapted to the salt in the water. Salinity is the measure of salts in the water. Organisms that live in marine biomes must be adapted to salinity.


Question: Organisms that live in the ocean are adapted to\nOptions:\n- (A) purified water\n- (B) the environment\n- (C) Absorb light\n- (D) air\n- (E) survival\n- (F) salt water\n- (G) murky water\n- (H) produce light

Answer: (F)

Organisms that live in marine biomes must be adapted to the salt in the water. Some familiar examples of biomes include tundra, desert, chaparral, and open ocean. Organisms that live in the ocean must be adapted to the salt water.


Question: What animal must adapt to salt water?\nOptions:\n- (A) fur seals\n- (B) warm-blooded\n- (C) allow growth\n- (D) alpacas\n- (E) honeybees\n- (F) Sea tiger.\n- (G) animals\n- (H) to stay warm

Answer: (F)

Organisms that live in marine biomes must be adapted to the salt in the water. Another animal that lives within the Marine Biome is a sea tiger. Sea tigers must adapt to the salt in the water.


Question: Salt in the water is something that must be adapted to by organisms who live in:\nOptions:\n- (A) evaporation\n- (B) environment\n- (C) rivers\n- (D) bioaerosols\n- (E) our planet\n- (F) Deposition\n- (G) estuaries\n- (H) deserts

Answer: (G)

Organisms that live in marine biomes must be adapted to the salt in the water. Estuaries display characteristics of both marine and freshwater biomes. Organisms that live in estuaries must be adapted to the salt in the water.


Question: Organisms that live in marine biomes must be adapted to most of the what on the planet?\nOptions:\n- (A) water\n- (B) liquid\n- (C) Light\n- (D) Energy.\n- (E) growth\n- (F) Winter\n- (G) energy\n- (H) heat

Answer: (A)

Organisms that live in marine biomes must be adapted to the salt in the water. Most of the water on the planet is salt water in the oceans. Organisms that live in marine biomes must be adapted to most of the water on the planet.


Question: Living beings in marine biomes must be adapted to what in the water?\nOptions:\n- (A) CO 2\n- (B) stress\n- (C) liquid\n- (D) salt\n- (E) heat\n- (F) an ion\n- (G) energy\n- (H) motion

Answer: (D)

Organisms that live in marine biomes must be adapted to the salt in the water. Organisms or living beings are literally things that are alive. Living beings that live in marine biomes must be adapted to the salt in the water.


Question: _ have good eyesight and sense of smell.\nOptions:\n- (A) Worms\n- (B) crocodiles\n- (C) vision\n- (D) Snails\n- (E) Phytoplankton\n- (F) Lizards\n- (G) mammals\n- (H) animals

Answer: (F)

Most reptiles have good eyesight and a keen sense of smell. All lizards are reptiles. Lizards have good eyesight and a keen sense of smell.


Question: What is one attribute of most reptiles?\nOptions:\n- (A) aerobic capacity\n- (B) good olfaction\n- (C) a cuticle\n- (D) warm-blooded\n- (E) graptolites\n- (F) an organism's body\n- (G) permineralization\n- (H) stamina

Answer: (B)

Most reptiles have good eyesight and a keen sense of smell. Olfaction is the sense of smell and gustation is the sense of taste. Most reptiles have good olfaction.


Question: What has good eyesight?\nOptions:\n- (A) humans\n- (B) fur seals\n- (C) athletes\n- (D) bears\n- (E) goats\n- (F) geckos\n- (G) elephants\n- (H) rabbit

Answer: (F)

Most reptiles have good eyesight and a keen sense of smell. Geckos are, in fact, reptiles. Geckos have good eyesight.


Question: Most of what kind of animal have good eyesight and a good sense of smell?\nOptions:\n- (A) have a positive impact on the environment\n- (B) members of their own species\n- (C) Something that makes plants green\n- (D) passenger pigeons\n- (E) Something with a head, thorax, and abdomen\n- (F) Something that is self-aware\n- (G) competing for resources\n- (H) animals in the class reptilia

Answer: (H)

Most reptiles have good eyesight and a keen sense of smell. Reptilia contains over 7800 entries on numerous species of reptiles. Most animals in the class reptilia have good eyesight and a keen sense of smell.


Question: Streams may start with runoff seeping out of water containing what?\nOptions:\n- (A) chemicals\n- (B) Nutrients\n- (C) Nitrous oxide\n- (D) Helium\n- (E) Lithium\n- (F) Sulfur\n- (G) soil\n- (H) Sediment

Answer: (F)

Streams may start with runoff or water seeping out of a spring. Sulfur occurs native in the vicinity of volcanoes and hot springs. Streams may start with runoff or water seeping out of a body of water where sulfur occurs.