Question: What is a source of drinking water?\nOptions:\n- (A) ice expanding in rock openings\n- (B) helping to prevent floods\n- (C) industrial runoff\n- (D) it helps plants in growing\n- (E) Water seeping out of a spring\n- (F) salt water\n- (G) polluted water\n- (H) Something with a head, thorax, and abdomen

Answer: (E)

Streams may start with runoff or water seeping out of a spring. Lakes and streams are sources of drinking water. Water seeping out of a spring is a source of drinking water.


Question: Where do streams often get h20?\nOptions:\n- (A) perspiration\n- (B) at or near the margins\n- (C) raising their temperature\n- (D) the landscape\n- (E) seeping out of a spring\n- (F) cloudy and rainy weather\n- (G) Inches or fractions of inches.\n- (H) precipitation

Answer: (E)

Streams may start with runoff or water seeping out of a spring. Water is everywhere H20. Streams often start with runoff or H20 seeping out of a spring.


Question: Plasma cells are activated b cells that secrete what?\nOptions:\n- (A) Leptospirosis\n- (B) Activated charcoal\n- (C) Cellular phone services\n- (D) Sweat\n- (E) major threat to health\n- (F) Warriors of the body.\n- (G) Something that causes allergies\n- (H) Chemical energy

Answer: (F)

Plasma cells are activated B cells that secrete antibodies. Antibodies act as warriors. Plasma cells are activated B cells that secrete warriors.


Question: The mature form of what kind of cell secretes antibodies?\nOptions:\n- (A) more abundant\n- (B) it needs them\n- (C) positive\n- (D) graptolites\n- (E) A Greek letter\n- (F) barnacles\n- (G) B-lymphocytes\n- (H) homogenous

Answer: (G)

Plasma cells are activated B cells that secrete antibodies. Plasma Cells Plasma Cells Plasma cells are the mature form of B-lymphocytes. Mature forms of B-lymphocytes secrete antibodies.


Question: The windiest side of a mountainous peninsula also has the most of what?\nOptions:\n- (A) mountain\n- (B) peninsula\n- (C) precipitation\n- (D) body water\n- (E) heat energy\n- (F) rainfall\n- (G) windward\n- (H) kinetic energy

Answer: (C)

Precipitation falls on the windward side of the mountain range. For example, the windward side of a peninsula is the windiest side. The windiest side of a mountainous peninsula would have the most precipitation.


Question: Sheep tend to favor the side of a mountain with more:\nOptions:\n- (A) wool\n- (B) precipitation\n- (C) hydrate their cells\n- (D) farmers\n- (E) valleys\n- (F) scattered light\n- (G) food and shelter\n- (H) They have thick fur

Answer: (B)

Precipitation falls on the windward side of the mountain range. Sheep tend to favour the windward side of a paddock. Sheep tend to favor the side of a mountain with more precipitation.


Question: When it rains in the mountains where would the rain fall?\nOptions:\n- (A) looseness of dirt or compost\n- (B) Plant growth is reduced\n- (C) It used to be covered by water\n- (D) Inches or fractions of inches.\n- (E) air mass over Earth's surface\n- (F) on the windward side\n- (G) In the winter\n- (H) colder and wetter

Answer: (F)

Precipitation falls on the windward side of the mountain range. Rain is also known as precipitation. Rain would fall on the windward side of the mountain range.


Question: Arteries in the body are able to carry what?\nOptions:\n- (A) saliva\n- (B) breathe\n- (C) water\n- (D) Air\n- (E) oxygen\n- (F) blood\n- (G) veins\n- (H) liquid

Answer: (F)

Veins generally carry deoxygenated blood. Arteries and veins are blood vessels. Arteries carry blood.


Question: Nephrons are the structural and functional units of the organ that filters what?\nOptions:\n- (A) Light\n- (B) Energy\n- (C) Coffee\n- (D) liquid\n- (E) Air\n- (F) Oxygen\n- (G) Blood\n- (H) Food

Answer: (G)

Nephrons are the structural and functional units of the kidneys. Blood is filtered in the kidney. Nephrons are the structural and functional units of the organ that filters blood.


Question: What is part of the kidney structure?\nOptions:\n- (A) thorax\n- (B) glomerulus\n- (C) organ\n- (D) arteries\n- (E) layers of fat\n- (F) more abundant\n- (G) pancreas\n- (H) urine

Answer: (B)

Nephrons are the structural and functional units of the kidneys. Each nephron has a glomerulus. Glomerulus is part of the kidney structure.


Question: What do nephrons filter?\nOptions:\n- (A) Blood\n- (B) matter\n- (C) solutes\n- (D) Energy\n- (E) SO2\n- (F) Gases\n- (G) Energy.\n- (H) cations

Answer: (A)

Nephrons are the structural and functional units of the kidneys. Blood is filtered in the kidney. Nephrons filter blood.


Question: Fungi spores can multiply through what?\nOptions:\n- (A) natural selection\n- (B) trees\n- (C) mitosis\n- (D) sun's heat\n- (E) death\n- (F) Conifers\n- (G) Deposition\n- (H) pregnancy

Answer: (C)

Fungi spores can develop into new haploid individuals without being fertilized. Haploid cells multiply asexually through mitosis. Fungi spores can multiply through mitosis.


Question: What can develop into new haploid individuals without being fertilized?\nOptions:\n- (A) bacteria\n- (B) alpacas\n- (C) parasites\n- (D) Candida\n- (E) cows\n- (F) insects\n- (G) orchids\n- (H) ferns

Answer: (D)

Fungi spores can develop into new haploid individuals without being fertilized. Candida and Aspergillus are types of fungi. Spores of Candida and Aspergillus can develop into new haploid individuals without being fertilized.


Question: What uses playing as just one of many ways to learn how to behave?\nOptions:\n- (A) athletes\n- (B) Toys\n- (C) sharks\n- (D) Humans\n- (E) Video games\n- (F) exercise\n- (G) people\n- (H) A.I

Answer: (D)

Playing is just one of many ways that mammals and other animals learn how to behave. After all, seals are mammals just as humans are mammals. Playing is just one of many ways that humans and other animals learn how to behave.


Question: What learns to behave through playing?\nOptions:\n- (A) otters\n- (B) bacteria\n- (C) viruses\n- (D) rocks\n- (E) lions\n- (F) animals\n- (G) humans\n- (H) Birds

Answer: (E)

Playing is just one of many ways that mammals and other animals learn how to behave. Mammals include lions, bears, dogs, horses, cattle and antelopes. Playing is one way that lions learn how to behave.


Question: What is just one of many ways that pugs learn how to behave.\nOptions:\n- (A) humans\n- (B) playing\n- (C) sleeping\n- (D) growing\n- (E) Movement\n- (F) sound\n- (G) genetics\n- (H) exercise

Answer: (B)

Playing is just one of many ways that mammals and other animals learn how to behave. Pugs are mammals and mammals shed. Playing is just one of many ways that pugs learn how to behave.


Question: How do children learn?\nOptions:\n- (A) reusing materials\n- (B) allow growth\n- (C) by lying\n- (D) Riding a bike\n- (E) in many ways\n- (F) exercise\n- (G) by sleeping\n- (H) just one way

Answer: (E)

Playing is just one of many ways that mammals and other animals learn how to behave. Children learn through play and in other ways. Children and animals learn in many ways.


Question: Why do dogs play?\nOptions:\n- (A) To keep their body heat.\n- (B) To win a fight\n- (C) it keeps an organism warm\n- (D) increases a body's strength\n- (E) To learn to behave\n- (F) allow growth\n- (G) To become dominant\n- (H) To spend time alone

Answer: (E)

Playing is just one of many ways that mammals and other animals learn how to behave. Cats are Mammals that Shed Dogs are Mammals that Wag their tails. Playing is just one of many ways that dogs learn to behave.


Question: What is one of the ways that mammals and other animals learn how to act?\nOptions:\n- (A) sleeping\n- (B) Movement\n- (C) mating\n- (D) exercise\n- (E) eating\n- (F) sound\n- (G) playing\n- (H) motion

Answer: (G)

Playing is just one of many ways that mammals and other animals learn how to behave. Acting is about behaving. Playing is just one of many ways that mammals and other animals learn how to act.


Question: What have a centralized nervous system with a brain?\nOptions:\n- (A) objects that have mass\n- (B) warm-blooded\n- (C) Earth orbiting the Sun\n- (D) jellyfish\n- (E) salmon only\n- (F) bass only\n- (G) bass and salmon\n- (H) chickens

Answer: (G)

Fish have a centralized nervous system with a brain. Fish include bass and salmon. Bass and salmon have a centralized nervous system with a brain.


Question: What has a centralized nervous system with a brain?\nOptions:\n- (A) Birds\n- (B) pan\n- (C) virus\n- (D) sharks\n- (E) Man\n- (F) trout\n- (G) leech\n- (H) parasite

Answer: (F)

Fish have a centralized nervous system with a brain. Fish include trout and other fish. Trout have a centralized nervous system with a brain.


Question: What water dweller can be stimulated with amphetamines?\nOptions:\n- (A) pearls\n- (B) algae\n- (C) swea\n- (D) otters\n- (E) fish\n- (F) humans\n- (G) sharks\n- (H) sponges

Answer: (E)

Fish have a centralized nervous system with a brain. Amphetamines stimulate the central nervous system. Fish can be stimulated with amphetamines.


Question: What organs do both fishes and reptiles have?\nOptions:\n- (A) legs\n- (B) they all walk on land\n- (C) gills\n- (D) the eyes\n- (E) protected\n- (F) brains\n- (G) alveoli\n- (H) vision

Answer: (F)

Fish have a centralized nervous system with a brain. Nervous A reptile has a brain and nervous system. Fishes and reptiles have brains.


Question: What has a centralized nervous system with a brain?\nOptions:\n- (A) Man\n- (B) Birds\n- (C) leeches\n- (D) shark\n- (E) evergreens\n- (F) salmon\n- (G) worms\n- (H) pan

Answer: (D)

Fish have a centralized nervous system with a brain. Sharks are a type of fish. Sharks have a centralized nervous system with a brain.


Question: _ allow water to penetrate the soil.\nOptions:\n- (A) crawfish burrows\n- (B) major threat to health\n- (C) Deposition\n- (D) bending light rays\n- (E) earthworm homes\n- (F) Exfoliation\n- (G) termite burrows\n- (H) Earthworm burrows

Answer: (H)

Earthworm burrows help aerate soil, which is also good for plants. Aeration breaks up the soil and allows water to penetrate. Earthworm burrows allow water to penetrate the soil, which is good for plants.


Question: What does an earthworm do that would help plants?\nOptions:\n- (A) reusing materials\n- (B) It helps them survive\n- (C) eat the plant\n- (D) scare away birds\n- (E) reproduce\n- (F) hydrate their cells\n- (G) burrow in the dirt\n- (H) eat all the dirt

Answer: (G)

Earthworm burrows help aerate soil, which is also good for plants. Dirt is really misplaced soil. Earthworm burrows help aerate dirt, which is also good for plants.


Question: What do constructions by earthworms help to do?\nOptions:\n- (A) compact soil\n- (B) moisten soil\n- (C) agriculture\n- (D) to move people\n- (E) relocation\n- (F) aerate soil\n- (G) survival\n- (H) dry out soil

Answer: (F)

Earthworm burrows help aerate soil, which is also good for plants. Most species construct burrows. Constructions by earthworms help aerate soil which is good for plants.


Question: Earthworm burrows are good for plants because they\nOptions:\n- (A) get air into soil\n- (B) reducing acid rain\n- (C) eliminate toxins\n- (D) hydrate roots\n- (E) preventing heat transfer\n- (F) It helps them survive\n- (G) kill pests\n- (H) important habitats

Answer: (A)

Earthworm burrows help aerate soil, which is also good for plants. Aerating means getting air into the wine. Earthworm burrows help getting air into soil, which is also good for plants.


Question: What burrows help aerate soil, which is also good for plants?\nOptions:\n- (A) leaves\n- (B) adding heat\n- (C) Exfoliation\n- (D) good\n- (E) roots\n- (F) wind\n- (G) rocks\n- (H) annelids

Answer: (H)

Earthworm burrows help aerate soil, which is also good for plants. Earthworms Earthworms are in the phylum Annelids. Annelid burrows help aerate soil, which is also good for plants.


Question: What species of female mammal lacks a uterus and vagina?\nOptions:\n- (A) fallopian tubes\n- (B) echidna\n- (C) live birth\n- (D) lays eggs\n- (E) cows\n- (F) tortoises\n- (G) alpacas\n- (H) goats

Answer: (B)

Female monotremes lack a uterus and vagina. Examples of monotremes are the Platypus and Echidna. Platypus and echidna lack a uterus and vagina.


Question: The liver is formed after cells for into\nOptions:\n- (A) death\n- (B) humans\n- (C) Energy.\n- (D) tissue\n- (E) migrate\n- (F) grow\n- (G) recovery\n- (H) expelled

Answer: (D)

Cells are organized into tissues, and tissues form organs. Organs such as the stomach and liver also begin to develop. Cells are formed into tissues and tissues form the liver.


Question: How do ants communicate to other ants to encourage them to follow?\nOptions:\n- (A) Skywriting\n- (B) Electrical energy\n- (C) Using a phone to communicate\n- (D) Leaving a written communicatio\n- (E) Something coming from a gland\n- (F) By wind and rain\n- (G) Chemical energy\n- (H) Leaving chemical trails

Answer: (H)

Ants communicate with chemicals called pheromones. Physiologically, ants leave a trail of pheromones, which other ants then follow. Ants communicate by leaving chemical trails for other ants to follow.


Question: How do some insects communicate?\nOptions:\n- (A) sound\n- (B) sensory neurons\n- (C) Decibels\n- (D) electronic waves\n- (E) progesterone\n- (F) Vibrates\n- (G) pheromones\n- (H) radio waves

Answer: (G)

Ants communicate with chemicals called pheromones. Ants are of extreme importance in the insect world. Some insects communicate with chemicals called pheromones.


Question: Members of the myrmecocystus genus communicate via pheromones, which are a type of:\nOptions:\n- (A) sense of smell\n- (B) chemical receptor\n- (C) organ\n- (D) insects\n- (E) chemical\n- (F) sound\n- (G) antennae\n- (H) Vibrates

Answer: (E)

Ants communicate with chemicals called pheromones. Honeypot ants are classified in the genus Myrmecocystus. Members of the Myrmecocystus genus communicate via chemicals called pheromones.


Question: Phylum platyhelminthes are mostly what?\nOptions:\n- (A) animals\n- (B) engorged\n- (C) fungi\n- (D) infected\n- (E) parasitic\n- (F) insects\n- (G) huge\n- (H) free living

Answer: (E)

Flatworms belong to the phylum Platyhelminthes. Most of the flatworms are parasitic, although the Turbellaria are free-living in fresh water. Phylum Platyhelminthes are mostly parasitic.


Question: Flukes, tapeworms, and turbell are\nOptions:\n- (A) major threat to health\n- (B) types of flat leeches\n- (C) Plant growth is reduced\n- (D) types of earthworms\n- (E) competing for resources\n- (F) types of snakes\n- (G) types of flatworms\n- (H) parasites

Answer: (G)

Flatworms belong to the phylum Platyhelminthes. Flatworms Flatworms or Platyhelminthes include flukes, tapeworms, and turbellarians. Types of flatworms are flukes, tapeworms, and turbellarians.


Question: What kind of worm belongs to the phylum platyhelminthes?\nOptions:\n- (A) homogenous\n- (B) moves\n- (C) dangerous\n- (D) insects\n- (E) tapeworm\n- (F) parasites\n- (G) white\n- (H) graptolites

Answer: (E)

Flatworms belong to the phylum Platyhelminthes. Flatworms Flatworms or Platyhelminthes include flukes, tapeworms, and turbellarians. Tapeworms belong to the phylum Platyhelminthes.


Question: What animal found on earth would belong to the phylum platyhelmintes?\nOptions:\n- (A) bilaterally symmetrical worms\n- (B) Something with a head, thorax, and abdomen\n- (C) remains of prehistoric life\n- (D) Something that makes plants green\n- (E) Microscopic organisms\n- (F) female sex cells\n- (G) it helps plants in growing\n- (H) share properties

Answer: (A)

Flatworms belong to the phylum Platyhelminthes. Flatworms are bilaterally symmetric. Bilaterally symmetric worms belong to the phylum Platyhelminthes.


Question: What contains most of the energy used by people worldwided?\nOptions:\n- (A) heat\n- (B) Light\n- (C) coal\n- (D) grasses\n- (E) Cooking\n- (F) glucose\n- (G) A computer\n- (H) gasoline

Answer: (D)

Grasses supply most of the food consumed by people worldwide. Because food contains energy. Grasses supply most of the energy used by people worldwide.


Question: Most of the food consumed by people worldwide comes from\nOptions:\n- (A) humans\n- (B) trees\n- (C) Energy\n- (D) animals\n- (E) plants\n- (F) vitamin C\n- (G) honeybees\n- (H) Earth

Answer: (E)

Grasses supply most of the food consumed by people worldwide. Grasses are very distinctive plants. Plants supply most of the food consumed by people worldwide.


Question: What kind of plants produces their seeds in cones?\nOptions:\n- (A) spored bushes\n- (B) flowers\n- (C) more abundant\n- (D) Conifers\n- (E) white\n- (F) insects\n- (G) evergreens\n- (H) deciduous trees

Answer: (G)

Gymnosperms are vascular plants that produce seeds in cones. Gymnosperms are the plants that are known as evergreens. Evergreens are vascular plants that produce seeds in cones.


Question: What type of plant produces seeds in cones?\nOptions:\n- (A) Softwoods.\n- (B) Conifers\n- (C) Aloe.\n- (D) Most plants\n- (E) Sunflower seeds.\n- (F) white\n- (G) epidermal\n- (H) Fern plant.

Answer: (A)

Gymnosperms are vascular plants that produce seeds in cones. Softwoods, on the other hand, are gymnosperms . Softwoods are vascular plants that produce seeds in cones.


Question: What are vascular plants that produce seeds in the form of cones?\nOptions:\n- (A) Leptospirosis\n- (B) more abundant\n- (C) Newton\n- (D) it needs them\n- (E) Conifers\n- (F) epidermal\n- (G) evergreens\n- (H) white

Answer: (G)

Gymnosperms are vascular plants that produce seeds in cones. Gymnosperms are the plants that are known as evergreens. Evergreens are vascular plants that produce seeds in cones.


Question: In order to attract flies, wasps, and bees, what does a flower employ?\nOptions:\n- (A) petals\n- (B) colors\n- (C) insects\n- (D) camouflage\n- (E) Energy\n- (F) scentless\n- (G) lack of color\n- (H) pollen

Answer: (A)

Petals attract pollinators to the flower. Pollination is by flies, wasps, and bees. Petals attract flies, wasps, and bees to the flower.


Question: What attracts bees to the flower?\nOptions:\n- (A) seeds\n- (B) orchids\n- (C) other bees\n- (D) butterflies\n- (E) thorns\n- (F) heat\n- (G) petals\n- (H) pollen

Answer: (G)

Petals attract pollinators to the flower. Bees are effective pollinators. Petals attract bees to the flower.


Question: Petals attract animals such as bees to what part of a producer?\nOptions:\n- (A) orchids\n- (B) stem\n- (C) buds\n- (D) flowers\n- (E) seeds\n- (F) plants\n- (G) vegetation\n- (H) leaves

Answer: (D)

Petals attract pollinators to the flower. Kiwifruit flowers are pollinated by bees. Petals attract bees to flowers.


Question: What attracts pollinators to the flower?\nOptions:\n- (A) something great for potpourri\n- (B) Something with a head, thorax, and abdomen\n- (C) peachleaf willow\n- (D) By wind and rain\n- (E) photosynthesis.\n- (F) Something made from fermented ricce\n- (G) Earth revolving around the sun\n- (H) at or near the margins

Answer: (A)

Petals attract pollinators to the flower. Petals are great for potpourri or for making rose petal jelly. Something great for potpourri attracts pollinators to the flower.


Question: What forms when molecules react with one another?\nOptions:\n- (A) biochemistry\n- (B) Chemical energy\n- (C) Energy.\n- (D) atoms\n- (E) chemical bonds\n- (F) elements\n- (G) flow of electrons\n- (H) Organic compounds

Answer: (E)

Chemical bonds form when substances react with one another. All substances are composed of molecules. Chemical bonds form when molecules react with one another.


Question: What is it called when one solvent combines with another, what forms?\nOptions:\n- (A) chemical pair\n- (B) permineralization\n- (C) chemical bonds\n- (D) a solute\n- (E) chemical duo\n- (F) substance bonds\n- (G) Condensation\n- (H) kinetic energy

Answer: (C)

Chemical bonds form when substances react with one another. Solvents are substances, usually liquid, that dissolve other substances. When one solvent reacts with another, chemical bonds form.


Question: What forms when molecules react with one another?\nOptions:\n- (A) Chemical energy\n- (B) substrates\n- (C) chemical bonds\n- (D) living things\n- (E) Organic compounds\n- (F) Energy.\n- (G) new elements\n- (H) flow of electrons

Answer: (C)

Chemical bonds form when substances react with one another. All substances are composed of molecules. Chemical bonds form when molecules react with one another.


Question: When substances react with one another the sharing or transfer of what occurs?\nOptions:\n- (A) Energy.\n- (B) voltage\n- (C) heat produced\n- (D) heat energy\n- (E) electrons\n- (F) a solute\n- (G) kinetic\n- (H) Energy

Answer: (E)

Chemical bonds form when substances react with one another. Chemical Bonding A chemical bond is the sharing or transfer of electrons. The sharing of transfer of electrons happens when substances react with one another.


Question: Electromagnetic energy enters the body through what part of the eye?\nOptions:\n- (A) energy transport\n- (B) pupil\n- (C) iris\n- (D) skin\n- (E) eyehole\n- (F) lenses\n- (G) organ\n- (H) nerves

Answer: (B)

Light enters the eye through an opening called the pupil. Light is the visible form of electromagnetic energy. Electromagnetic energy enters the eye through an opening called the pupil.


Question: Which of the following would animals use to store energy?\nOptions:\n- (A) fats\n- (B) plants\n- (C) sodium\n- (D) blood\n- (E) Energy\n- (F) sugar\n- (G) food\n- (H) carcass

Answer: (A)

Animals use saturated fatty acids to store energy. Fatty Acids Fatty acids are the building blocks of fats. Animals use fats to store energy.


Question: Saturated fatty acids are used for:\nOptions:\n- (A) exercise\n- (B) Reproducing\n- (C) solid, liquid, gas\n- (D) energy storage\n- (E) keeping the dog warm\n- (F) oxidation reaction\n- (G) an organism's body\n- (H) Plants growth

Answer: (D)

Animals use saturated fatty acids to store energy. Animals store excess energy as fat. Saturated fatty acids can be used to store excess energy.


Question: Where do dogs store energy?\nOptions:\n- (A) Something coming from a gland\n- (B) saturated fatty acids\n- (C) Earth orbiting the Sun\n- (D) the environment\n- (E) Slowing the transfer of heat\n- (F) an organism's body\n- (G) it keeps an organism warm\n- (H) it helps plants in growing

Answer: (B)

Animals use saturated fatty acids to store energy. All dogs are animals . Dogs use saturated fatty acids to store energy.


Question: What do dolphins use to store energy?\nOptions:\n- (A) saturated fatty acids\n- (B) thermal insulators\n- (C) kinetic energy\n- (D) evaporation\n- (E) Something coming from a gland\n- (F) objects that have mass\n- (G) it helps plants in growing\n- (H) Positive charges

Answer: (A)

Animals use saturated fatty acids to store energy. Dolphins are a very unique animal. Dolphins use saturated fatty acids to store energy.


Question: What is still provided, whether the style is long or a mullet?\nOptions:\n- (A) braids\n- (B) it helps plants in growing\n- (C) characteristics\n- (D) insulation and protection\n- (E) bowl cut\n- (F) buzz cut\n- (G) Mechanical energy\n- (H) food and shelter

Answer: (D)

Hair helps to insulate and protect the body. Frankly, long hair is quite different to a mullet style. Whether worn long or as a mullet, there is still insulation and protection provided.


Question: What helps to insulate and protect the body?\nOptions:\n- (A) tail fins\n- (B) Animal fur\n- (C) fur seals\n- (D) keratin\n- (E) nitrogen\n- (F) snow\n- (G) Epidermis\n- (H) poultry

Answer: (D)

Hair helps to insulate and protect the body. Hair is composed of the protein keratin. The protein keratin helps to insulate and protect the body.


Question: What is hair not considered?\nOptions:\n- (A) lack\n- (B) zinc\n- (C) loss\n- (D) Fat\n- (E) long\n- (F) CFCs\n- (G) gold\n- (H) p53

Answer: (D)

Hair helps to insulate and protect the body. Lean body mass and body fat are derived from total body water. Hair is not considered fat.


Question: Where can slime mold, a fungus like protist, most likely be found?\nOptions:\n- (A) in a log cabin\n- (B) swamp vegetation\n- (C) mouth of rivers\n- (D) an area swollen with pus\n- (E) in decomposing matter\n- (F) Germy surfaces\n- (G) on a new car\n- (H) on a mushroom dish

Answer: (E)

Slime molds are fungus-like protists commonly found on rotting logs and compost. Decomposition and composting takes place. Slime molds are fungus like protists commonly found on rotting logs and decomposed matter.


Question: Where can mucus like organisms be found?\nOptions:\n- (A) the environment\n- (B) Contaminated wounds\n- (C) on food\n- (D) on rotting logs and compost\n- (E) an area swollen with pus\n- (F) in the grass\n- (G) in the refridgerator\n- (H) mouth of rivers

Answer: (D)

Slime molds are fungus-like protists commonly found on rotting logs and compost. True Slime Molds Slime molds are a mucus-like organism. Mucus like organisms can be found on rotting logs and compost.


Question: Where are slime molds found?\nOptions:\n- (A) flowers\n- (B) loose dirt\n- (C) animals\n- (D) leaves\n- (E) loose soil\n- (F) swamp vegetation\n- (G) rotting trees\n- (H) an organism's body

Answer: (G)

Slime molds are fungus-like protists commonly found on rotting logs and compost. Once the trees are cut, they become logs . Slime molds are fungus-like protists commonly found on rotting trees and compost.


Question: What are one celled organisms?\nOptions:\n- (A) Plants growth\n- (B) slime molds\n- (C) warm-blooded\n- (D) peachleaf willow\n- (E) honeybees\n- (F) orchids\n- (G) Most plants\n- (H) produce light

Answer: (B)

Slime molds are fungus-like protists commonly found on rotting logs and compost. Protists are one celled organisms. Slime molds are one celled organisms.


Question: What is a diploid zygote the result of?\nOptions:\n- (A) photosynthesis\n- (B) Plant reproduction\n- (C) diploid sperm and egg\n- (D) mate with females\n- (E) Leptospirosis\n- (F) haploid sperm and egg\n- (G) triploid sperm and egg\n- (H) two haploid eggs

Answer: (F)

Gametes then unite in fertilization and form a diploid zygote. Gametes are haploid egg or sperm that fuse to form a zygote. Diploid zygotes are the result of a haploid sperm and egg combining.


Question: What occurs in gametes?\nOptions:\n- (A) offspring\n- (B) pollen\n- (C) resistance\n- (D) Energy\n- (E) Energy.\n- (F) heat\n- (G) syngamy\n- (H) glucose

Answer: (G)

Gametes then unite in fertilization and form a diploid zygote. Syngamy produces a diploid zygote. Syngamy occurs in gametes.


Question: What can lead to the formation of multicellular embryo in venter?\nOptions:\n- (A) Something that makes plants green\n- (B) Something made from fermented ricce\n- (C) A compound that donates proton\n- (D) By wind and rain\n- (E) reproduction\n- (F) Fertilization of gametes\n- (G) metabolic reaction\n- (H) heat produced

Answer: (F)

Gametes then unite in fertilization and form a diploid zygote. Diploid zygote forms multicellular embryo in venter. Fertilization of gametes can lead to the formation of multicellular embryo in venter.


Question: Emphysema is often cause by exposure to:\nOptions:\n- (A) high temperature\n- (B) fog\n- (C) Greenhouse gasses\n- (D) rays or beams\n- (E) hot steam\n- (F) tobacco smoke\n- (G) Pollution\n- (H) incendiary people

Answer: (F)

Lung cancer is most often caused by exposure to tobacco smoke. Many patients with lung cancer also have emphysema. Enphysema is often caused by exposure to tobacco smoke.


Question: What can be caused by direct or passive inhalation?\nOptions:\n- (A) skin grafts\n- (B) prolonged thirst\n- (C) science\n- (D) Toxicity\n- (E) lung cancer\n- (F) negative\n- (G) friction\n- (H) craters

Answer: (E)

Lung cancer is most often caused by exposure to tobacco smoke. Smoke Tobacco smoke , whether directly or passively inhaled, has been shown to worsen asthma. Lung cancer can be caused by direct or passive inhalation.


Question: What kind of cancer does exposure to cigarettes and cigars often cause?\nOptions:\n- (A) lung\n- (B) UV\n- (C) foot\n- (D) damage\n- (E) skin\n- (F) death\n- (G) breast\n- (H) harm

Answer: (A)

Lung cancer is most often caused by exposure to tobacco smoke. Tobacco includes cigarettes, cigars, chewing tobacco, and more. Lung cancer is often caused by exposure to cigarettes and cigars.


Question: What does a diaphragm help a dolphin do?\nOptions:\n- (A) swimming\n- (B) rest\n- (C) stay warm\n- (D) smell\n- (E) see\n- (F) breathe\n- (G) eat\n- (H) survive

Answer: (F)

Mammals breathe with the help of a diaphragm. Common dolphins are mammals. Dolphins breathe with the help of a diaphragm.


Question: What kind of animal sometimes gets hiccups?\nOptions:\n- (A) mammals\n- (B) fur seals\n- (C) fish\n- (D) goats\n- (E) humans\n- (F) insects\n- (G) worms\n- (H) dogs

Answer: (A)

Mammals breathe with the help of a diaphragm. Hiccups are a result of spasms of the diaphragm. Mammals sometimes get hiccups.


Question: What breathes by relaxing the lungs?\nOptions:\n- (A) mammals\n- (B) tortoises\n- (C) dogs\n- (D) chickens\n- (E) ducks\n- (F) humans\n- (G) crocodiles\n- (H) animals

Answer: (A)

Mammals breathe with the help of a diaphragm. Belly breathing uses the diaphragm, which helps relax the lungs. Mammals breathe by relaxing the lungs.


Question: Mammals find breath through the action of what thing beneath their lungs?\nOptions:\n- (A) matter\n- (B) the skin\n- (C) muscle\n- (D) organ\n- (E) lmestone\n- (F) oxygen\n- (G) gas\n- (H) Epidermis

Answer: (C)

Mammals breathe with the help of a diaphragm. Hiccups are caused by involuntary spasms of the diaphragm, the muscle beneath the lungs. Mammals breathe with the help of a muscle below the lungs.


Question: Cancer is characterized by cells doing what out of control?\nOptions:\n- (A) massive damage\n- (B) smoking tobacco\n- (C) destroying\n- (D) replicating\n- (E) Localized damage\n- (F) failing\n- (G) disappearing\n- (H) Smoking

Answer: (D)

Cancer is a disease in which cells divide out of control. Cancer is a family of diseases that is characterized by cells that replicate too rapidly. Cancer is characterized by cells replicating out of control.


Question: Cancer and tumors are a result of specific types of:\nOptions:\n- (A) organs\n- (B) cigarettes\n- (C) radiation\n- (D) layers of fat\n- (E) gene damage\n- (F) rays or beams\n- (G) Chemical energy\n- (H) the skin

Answer: (E)

Cancer is a disease in which cells divide out of control. With specific types of gene damage, the cell starts dividing out of control, forming a tumor. Cancer and tumors are a result of specific types of gene damage.


Question: Some insets can use their antennae to detect what?\nOptions:\n- (A) light waves\n- (B) photons\n- (C) Electrical energy\n- (D) vibrating air\n- (E) new lands\n- (F) water sources\n- (G) bending light rays\n- (H) electricity

Answer: (D)

Some insects can use their antennae to detect sound. When ears detect the vibrating air, signals are sent to the brain that are interpreted as sounds. Some insets can use their antennae to detect vibrating air.


Question: How can animals with six legs detect sound?\nOptions:\n- (A) thorax\n- (B) Refract it\n- (C) electricity\n- (D) they bend\n- (E) wings\n- (F) environment\n- (G) pupils\n- (H) antennae

Answer: (H)

Some insects can use their antennae to detect sound. Every insect has six legs, that's an insect. Animals with six legs can use their antennae to detect sound.


Question: What can some insects use their feelers to detect?\nOptions:\n- (A) kale\n- (B) noise\n- (C) water vapor\n- (D) tremors\n- (E) waves\n- (F) vibrate\n- (G) air\n- (H) sound

Answer: (H)

Some insects can use their antennae to detect sound. An insect's head has two feelers, or antennae. Some insects can use their feelers to detect sound.


Question: Frogs have a _-chambered heart.\nOptions:\n- (A) alveoli\n- (B) organ\n- (C) ovaries\n- (D) oxygen\n- (E) edible\n- (F) three\n- (G) nektar\n- (H) CO 2

Answer: (F)

Amphibians have a relatively complex circulatory system with a three-chambered heart. All frogs are amphibians. Frogs have a three-chambered heart.


Question: Which animal has a circulatory system with a three-chambered heart?\nOptions:\n- (A) animals\n- (B) Salamander\n- (C) fur seals\n- (D) mammals\n- (E) alpacas\n- (F) a fish\n- (G) warm-blooded\n- (H) barnacles

Answer: (B)

Amphibians have a relatively complex circulatory system with a three-chambered heart. Frogs, toads and salamanders are amphibians. Salamanders have a relatively complex circulatory system with a three-chambered heart.


Question: What has a three chambered heart?\nOptions:\n- (A) alpacas\n- (B) goats\n- (C) elms\n- (D) bats\n- (E) orchids\n- (F) mammals\n- (G) a fish\n- (H) toads

Answer: (H)

Amphibians have a relatively complex circulatory system with a three-chambered heart. Toads and frogs are both amphibians. Toads have a relatively complex circulatory system with a three chambered heart.


Question: What has a relatively complex circulatory system with a three-chambered heart?\nOptions:\n- (A) frogs\n- (B) a fish\n- (C) salmon\n- (D) alpacas\n- (E) Man\n- (F) Birds\n- (G) sharks\n- (H) pan

Answer: (A)

Amphibians have a relatively complex circulatory system with a three-chambered heart. All frogs are amphibians. Frogs have a relatively complex circulatory system with a three-chambered heart.


Question: Which species doesn't have an anterior or posterior end?\nOptions:\n- (A) animals\n- (B) peachleaf willow\n- (C) Rabbits\n- (D) Blowfish\n- (E) fur seals\n- (F) Snakes\n- (G) Echinoderms\n- (H) alpacas

Answer: (G)

Adult echinoderms have radial symmetry. Animals with radial symmetry lack an anterior and posterior end. Adult echinoderms lack an anterior and posterior end.


Question: Where do all adult echinoderms live?\nOptions:\n- (A) soil\n- (B) desert\n- (C) freshwater\n- (D) fossils\n- (E) water\n- (F) Earth\n- (G) small\n- (H) aquariums

Answer: (E)

Adult echinoderms have radial symmetry. All animals with radial symmetry live in water. All adult echinoderms live in water.


Question: Which of the following does not have an anterior and posterior end?\nOptions:\n- (A) Adult mammals\n- (B) Adult reptiles\n- (C) Adult birds\n- (D) Adult echinoderms\n- (E) Earth orbiting the Sun\n- (F) an erupting volcano\n- (G) peachleaf willow\n- (H) sensory neurons

Answer: (D)

Adult echinoderms have radial symmetry. Animals with radial symmetry lack an anterior and posterior end. Adult echinoderms lack an anterior and posterior end.


Question: What has radial symmetry?\nOptions:\n- (A) peachleaf willow\n- (B) sea urchins\n- (C) humans\n- (D) gastropod shells\n- (E) A Greek letter\n- (F) asymmetry\n- (G) dogs\n- (H) Most plants

Answer: (B)

Adult echinoderms have radial symmetry. Sea urchins are echinoderms, in the same family as starfish. Adult sea urchins have radial symmetry.


Question: Adults of what kind of animal have radial symmetry?\nOptions:\n- (A) graptolites\n- (B) starfish\n- (C) a fish\n- (D) fur seals\n- (E) alpacas\n- (F) insects\n- (G) fertile\n- (H) barnacles

Answer: (B)

Adult echinoderms have radial symmetry. Echinoderms are represented by the starfish. Adult starfish have radial symmetry.


Question: What is a natural part of aging?\nOptions:\n- (A) Smoking\n- (B) apoptosis\n- (C) regeneration\n- (D) illness\n- (E) stimulation\n- (F) cracking\n- (G) Weight\n- (H) firm skin

Answer: (B)

Aging is associated with the death of cells. Apoptosis means cell death. Apoptosis is a natural part of aging.


Question: Aging is associated with degrading:\nOptions:\n- (A) Most plants\n- (B) an object\n- (C) Acids\n- (D) telomeres\n- (E) layers of fat\n- (F) Chlorophyll\n- (G) vegetation\n- (H) the skin

Answer: (D)

Aging is associated with the death of cells. Telomeres degrade as the cells divide and their shortening causes cell death. Aging is associated with degrading telomeres.


Question: Plants live just about everywhere within our planet's what?\nOptions:\n- (A) crust\n- (B) solar system\n- (C) state\n- (D) the environment\n- (E) atmosphere\n- (F) moon\n- (G) solar energy\n- (H) vegetation

Answer: (E)

Plants live just about everywhere on Earth. Air is everywhere in the earth's atmosphere. Plants live just about everywhere within the atmosphere.


Question: Plants and snakes live _.\nOptions:\n- (A) almost everywhere\n- (B) important habitats\n- (C) hydrate their cells\n- (D) reproduce\n- (E) more abundant\n- (F) competing for resources\n- (G) the environment\n- (H) vegetation

Answer: (A)

Plants live just about everywhere on Earth. Snakes live almost everywhere on earth. Plants live just about everywhere snakes do.


Question: Where do most green producers live at on earth?\nOptions:\n- (A) more abundant\n- (B) animals\n- (C) agriculture\n- (D) Earth\n- (E) survival\n- (F) alluvial\n- (G) Conifers\n- (H) everywhere

Answer: (H)

Plants live just about everywhere on Earth. If the plant is green, it is a producer. Green producers live just about everywhere on Earth.


Question: What are viruses not?\nOptions:\n- (A) self-copies\n- (B) an object\n- (C) HIV\n- (D) humans\n- (E) infectious\n- (F) homogenous\n- (G) dangerous\n- (H) prokaryotes

Answer: (H)

Populations of viruses do not grow through cell division because they are not cells. Prokaryotes multiply by simple cell division, forming clones or exact copies of themselves. Viruses are not prokaryotes.


Question: Which of the following do not grow using mitosis?\nOptions:\n- (A) skin cells\n- (B) genus\n- (C) fungi\n- (D) lung cells\n- (E) blood cells\n- (F) parasites\n- (G) viruses\n- (H) bacteria

Answer: (G)

Populations of viruses do not grow through cell division because they are not cells. Mitosis is cell division. Populations of viruses do not grow through mitosis because they are not cells.


Question: What is one thing viruses do not cause?\nOptions:\n- (A) disease\n- (B) AIDS\n- (C) illness\n- (D) cancer\n- (E) Ebola\n- (F) fever\n- (G) death\n- (H) smallpox

Answer: (D)

Populations of viruses do not grow through cell division because they are not cells. Cancer is unregulated cell division. Cancer is not caused by viruses.


Question: In what way do viruses not proliferate?\nOptions:\n- (A) adding heat\n- (B) at or near the margins\n- (C) They may not survive.\n- (D) dry conditions\n- (E) heat or cold\n- (F) by indirect light\n- (G) Localized damage\n- (H) binary division

Answer: (H)

Populations of viruses do not grow through cell division because they are not cells. Cells, the basic units of every living organism, proliferate by binary division. Viruses do not proliferate via binary division.


Question: What does not grow through cell division?\nOptions:\n- (A) p53\n- (B) AIDS\n- (C) host\n- (D) DDT\n- (E) lung\n- (F) HIV\n- (G) corn\n- (H) HPV

Answer: (F)

Populations of viruses do not grow through cell division because they are not cells. Where most viruses are DNA, HIV is an RNA virus. Populations of HIV do not grow through cell division because they are not cells.


Question: The transfer of pollen to what is the fertilization step of the sexual reproduction of a plant?\nOptions:\n- (A) stigma\n- (B) apples\n- (C) flowers\n- (D) embryos\n- (E) potatoes\n- (F) seeds\n- (G) eggs\n- (H) plants

Answer: (A)

Pollination is the fertilization step in the sexual reproduction of plants. Pollination is the transfer of pollen grains to a stigma. The transfer of pollen grains to a stigma is the fertilization step in the sexual reproduction of plants.


Question: Animals that tend to have complex nervous systems are missing what?\nOptions:\n- (A) Energy\n- (B) Energy.\n- (C) nervous system\n- (D) Chlorophyll\n- (E) backbone\n- (F) alleles\n- (G) abdomen\n- (H) brain

Answer: (E)

Most invertebrates have a more complex nervous system. Invertebrates are animals without a backbone. Most animals without a backbone have a more complex nervous system.


Question: Most invertebrates have brains capable of what?\nOptions:\n- (A) telepathy\n- (B) movement\n- (C) telekinesis\n- (D) allow growth\n- (E) animals\n- (F) learning\n- (G) relocation\n- (H) power

Answer: (F)

Most invertebrates have a more complex nervous system. Cephalopods have well developed nervous systems with complex brains capable of learning. Most invertebrates have brains capable of learning.


Question: What crawls and is known to have a complex nervous system? \nOptions:\n- (A) fur seals\n- (B) Insects.\n- (C) mammals\n- (D) animals\n- (E) a fish\n- (F) humans\n- (G) bees\n- (H) ducks

Answer: (B)

Most invertebrates have a more complex nervous system. Insects are the most common invertebrates. Insects have a more complex nervous system.


Question: Which of the following has the most complex nervous system?\nOptions:\n- (A) animals\n- (B) nerves\n- (C) fur seals\n- (D) humans\n- (E) elephants\n- (F) Jellyfish\n- (G) bears\n- (H) kalenchoes

Answer: (F)

Most invertebrates have a more complex nervous system. Jellyfish and insects are invertebrates. Jellyfish have a more complex nervous system.


Question: What increases the rate of all the chemical processes in living organism cells?\nOptions:\n- (A) Thyroid hormones\n- (B) Blood Cells\n- (C) Hair Follicles\n- (D) oxidation reaction\n- (E) Temperature changing\n- (F) Skin Cells\n- (G) temperature\n- (H) heat energy

Answer: (A)

Thyroid hormones increase the rate of metabolism in cells throughout the body. Metabolism is the sum of all the chemical processes in a living organism. Thyroid hormones increase the rate of all the chemical processes in living organism cells.


Question: Thyroid hormones increase the rate of \nOptions:\n- (A) by making heat\n- (B) the rest of the body\n- (C) female sex cells\n- (D) Helps them grow\n- (E) hydration of their cells\n- (F) heat produced\n- (G) converting food to energy\n- (H) aerobic capacity

Answer: (G)

Thyroid hormones increase the rate of metabolism in cells throughout the body. Metabolism is the process of converting food to energy. Thyroid hormones increase the rate of converting food to energy.


Question: What increases the rate of metabolism in cells throughout the body?\nOptions:\n- (A) Thyroxine\n- (B) Smoking\n- (C) fever\n- (D) bioaerosols\n- (E) acetic acid\n- (F) sweating\n- (G) Power plants\n- (H) heat produced

Answer: (A)

Thyroid hormones increase the rate of metabolism in cells throughout the body. Thyroxine, a thyroid hormone, is an aryl iodide. Thyroxine increase the rate of metabolism in cells throughout the body.


Question: Thyroxine increases the rate of metabolism in cells throughout the what?\nOptions:\n- (A) Summer\n- (B) body\n- (C) state\n- (D) skin\n- (E) H 2 O\n- (F) HIV\n- (G) life\n- (H) humans

Answer: (B)

Thyroid hormones increase the rate of metabolism in cells throughout the body. Thyroxine, a thyroid hormone, is an aryl iodide. Thyroxine increases the rate of metabolism in cells throughout the body.


Question: What is a process of removing wastes and excess water from the body?\nOptions:\n- (A) hydration\n- (B) urination\n- (C) incontinence\n- (D) trash can\n- (E) vaporization\n- (F) Cooking\n- (G) body waste\n- (H) Exfoliation

Answer: (B)

Excretion is the process of removing wastes and excess water from the body. Ketones are exhaled and excreted in urine. Urination is a process of removing wastes and excess water from the body.


Question: What is a major route of removing wastes from the body?\nOptions:\n- (A) Detoxifying teas\n- (B) Feces\n- (C) Burping\n- (D) Essential Oils\n- (E) glucose\n- (F) sodium\n- (G) NaCl\n- (H) rivers

Answer: (B)

Excretion is the process of removing wastes and excess water from the body. Major route of excretion is in the feces. Feces are a major route of removing wastes and excess water from the body.


Question: What is the process of removing feces and excess water from the human body called?\nOptions:\n- (A) recycling\n- (B) salivation\n- (C) waste production\n- (D) excretion\n- (E) Exfoliation\n- (F) perspiration\n- (G) Deposition.\n- (H) Deposition

Answer: (D)

Excretion is the process of removing wastes and excess water from the body. Solid waste is called feces. Excretion is the process of removing feces and excess water from the body.


Question: What increases the process of remove waste and excess water from the body?\nOptions:\n- (A) Sweating\n- (B) hydration\n- (C) Smoking\n- (D) bacteria\n- (E) vinegar\n- (F) alcohol\n- (G) Cooking\n- (H) boiling

Answer: (F)

Excretion is the process of removing wastes and excess water from the body. Alcohol increases degradation and excretion. Alcohol increases the process of removing wastes and excess water from the body.


Question: Plants are capable of making:\nOptions:\n- (A) Chemical energy\n- (B) glucose\n- (C) solar energy\n- (D) fertilizer\n- (E) Organic compounds\n- (F) Exfoliation\n- (G) their own food\n- (H) nitrogen

Answer: (G)

Producers are organisms that produce food for themselves and other organisms. Green plants are food producers. Plants are organisms that make food for themselves and other organisms.


Question: What are organisms that make food for themselves and other organisms?\nOptions:\n- (A) mushrooms\n- (B) green plants\n- (C) plants\n- (D) mammals\n- (E) agriculture\n- (F) honeybees\n- (G) photosynthesis\n- (H) animals

Answer: (B)

Producers are organisms that produce food for themselves and other organisms. Green plants are producers . Green plants are organisms that make food for themselves and other organisms.


Question: What does the base of the food chain provide food for?\nOptions:\n- (A) It helps them survive\n- (B) sediments\n- (C) Most plants\n- (D) other organisms\n- (E) our planet\n- (F) energy systems\n- (G) fruits\n- (H) Animal survival

Answer: (D)

Producers are organisms that produce food for themselves and other organisms. Producers are the base of the food chain. The base of the food chain help provide food for other organisms.


Question: Predators require something else to make food, which means they are not:\nOptions:\n- (A) humans\n- (B) animals\n- (C) infected\n- (D) competition\n- (E) dangerous\n- (F) producers\n- (G) mammals\n- (H) warm-blooded

Answer: (F)

Producers are organisms that produce food for themselves and other organisms. Predators are organisms which eat other organisms for energy. Producers provide food for themselves and for predators.


Question: Where does lengthening and widening occur in plant roots?\nOptions:\n- (A) meristems\n- (B) Epidermis\n- (C) cracking\n- (D) allow growth\n- (E) buds\n- (F) stamens\n- (G) epidermal\n- (H) fruits

Answer: (A)

Roots have primary and secondary meristems for growth in length and width. Growth occurs in meristems. Without meristems, roots couldn't lengthen or widen.


Question: Where does intense activity occur in a plant?\nOptions:\n- (A) Roots\n- (B) Buds\n- (C) bamboo\n- (D) fields\n- (E) Summer\n- (F) years\n- (G) Hairs\n- (H) Petals

Answer: (A)

Roots have primary and secondary meristems for growth in length and width. Meristems are zones of intense activity. Roots are zones of intense activity.


Question: _ is found in most molecules.\nOptions:\n- (A) glucose\n- (B) Gold\n- (C) Energy\n- (D) food\n- (E) Polonium\n- (F) Nitrogen\n- (G) Helium\n- (H) heat energy

Answer: (F)

Nitrogen is found in proteins, nucleic acids, and chlorophyll. Most molecules are proteins or nucleic acids. Nitrogen is found in most molecules.


Question: What may be caused by an infection or injury of the lungs?\nOptions:\n- (A) death and devastation\n- (B) deadly and devastating\n- (C) Legionnaires' disease\n- (D) blood\n- (E) smoking\n- (F) a lot of human deaths\n- (G) a tree falling\n- (H) cigarettes

Answer: (C)

Pneumonia may be caused by an infection or injury of the lungs. Legionnaires' disease is a type of pneumonia. Legionnaires' disease may be caused by an infection or injury of the lungs.


Question: What treatment can be used in treating pneumonia?\nOptions:\n- (A) the respiratory system\n- (B) a breathing mask\n- (C) bronchodilatory treatment\n- (D) aqueous solution\n- (E) immunotherapy\n- (F) radiation therapy\n- (G) immune system\n- (H) chemotherapy

Answer: (C)

Pneumonia may be caused by an infection or injury of the lungs. Lung injuries are treated with bronchodilatory treatment. Pneumonia can be treated with bronchodilatory treatment.


Question: What can make lungs more at risk for infection by streptococcus?\nOptions:\n- (A) Allergies\n- (B) bacteria\n- (C) Pollution\n- (D) injury\n- (E) fungi\n- (F) sweating\n- (G) the skin\n- (H) smoking

Answer: (D)

Pneumonia may be caused by an infection or injury of the lungs. Streptococcal pneumonia is caused by the bacteria Streptococcus pneumoniae. Streptococcus can infect the lungs following injury.


Question: After an infection or injury to the lung, what can happen?\nOptions:\n- (A) Destroy crops\n- (B) a lot of human deaths\n- (C) Plant growth is reduced\n- (D) destroying life\n- (E) forest is destroyed\n- (F) opportunistic infections\n- (G) death and devastation\n- (H) negative impact

Answer: (F)

Pneumonia may be caused by an infection or injury of the lungs. Opportunistic infections, such as Pneumocystis carinii pneumonia, begin to occur. Opportunistic infections may be a result of an infection or injury of the lungs.


Question: How do animals dissipate body heat?\nOptions:\n- (A) sweat\n- (B) eat food\n- (C) lay in the sun\n- (D) insulation\n- (E) coat\n- (F) osmosis\n- (G) fur\n- (H) cooling

Answer: (A)

Evaporation of sweat uses energy, and the energy comes from body heat. Animals are inefficient energy converters. Animals produce body heat which is dissipated by sweat.


Question: Which of the following uses energy that comes from body heat?\nOptions:\n- (A) kinetic energy\n- (B) evaporation of perspiration\n- (C) kinetic friction\n- (D) evaporation of snow\n- (E) Transfers energy\n- (F) a rock rolling down a hill\n- (G) a fire burning near a campsite\n- (H) converting mass to energy

Answer: (B)

Evaporation of sweat uses energy, and the energy comes from body heat. Diaphoresis is a fancy medical term for perspiration or sweating. Evaporation of perspiration uses energy and the energy comes from body heat.


Question: Where does the energy to evaporate perspiration come from?\nOptions:\n- (A) heat produced\n- (B) The Sun\n- (C) goosebumps\n- (D) electrical energy\n- (E) kinetic force\n- (F) body heat\n- (G) heat energy\n- (H) energy

Answer: (F)

Evaporation of sweat uses energy, and the energy comes from body heat. Sweat glands pump perspiration through pores. Perspiration comes through pores and is evaporated by energy from body heat.


Question: Evaporation of sweat uses what from the body?\nOptions:\n- (A) expelled\n- (B) Positive charges\n- (C) all liquids\n- (D) properties\n- (E) Something to move\n- (F) water vapor\n- (G) kinetic energy\n- (H) Cooling vapors

Answer: (G)

Evaporation of sweat uses energy, and the energy comes from body heat. Kinetic energy comes from heat. Evaporation of sweat uses kinetic energy from the body.


Question: What powers sweat?\nOptions:\n- (A) heat produced\n- (B) The body's fuel\n- (C) a gas in the air\n- (D) hydration\n- (E) When the water is hot\n- (F) air cools\n- (G) matter vibrating\n- (H) Cooling vapors

Answer: (B)

Evaporation of sweat uses energy, and the energy comes from body heat. Energy is the body's fuel. When sweat is evaporated, the body's fuel is used.


Question: Energy that comes from body heat can help with \nOptions:\n- (A) recovery\n- (B) commuting\n- (C) movement\n- (D) cooling\n- (E) strength\n- (F) stay warm\n- (G) health\n- (H) motion

Answer: (D)

Evaporation of sweat uses energy, and the energy comes from body heat. When sweat is evaporated into the air, it provides additional cooling. Cooling uses energy, and the energy comes from body heat.


Question: What does soy contain?\nOptions:\n- (A) bioaerosols\n- (B) Ribosomes\n- (C) glucose\n- (D) seeds\n- (E) heat energy\n- (F) Energy\n- (G) hydrocarbons\n- (H) layers of fat

Answer: (B)

Ribosomes are sites where proteins are made. Soy protein is a complete protein. Soy contains ribosomes.


Question: Biomolecules are made in where?\nOptions:\n- (A) Power plants\n- (B) ribosomes\n- (C) Earth\n- (D) body water\n- (E) loose dirt\n- (F) ocean water\n- (G) environment\n- (H) loose soil

Answer: (B)

Ribosomes are sites where proteins are made. Biomolecules covered include amino acids, proteins, enzymes, vitamins and hormones. Ribosomes are sites where biomolecules are made.


Question: What can reproduce asexually by budding?\nOptions:\n- (A) Trees\n- (B) bacteria\n- (C) Flower buds\n- (D) People\n- (E) plants\n- (F) Fungus\n- (G) fungi\n- (H) Flowers

Answer: (F)

Yeast reproduce asexually by budding. Yeast Saccharomyces cereviceae, or yeast, is a fungus. Fungus reproduce asexually by budding.


Question: Fungus used to bake bread reproduce asexually by doing what?\nOptions:\n- (A) Cooking\n- (B) Deposition\n- (C) grow\n- (D) It expands\n- (E) reproduce\n- (F) budding\n- (G) heat\n- (H) migrate

Answer: (F)

Yeast reproduce asexually by budding. Yeast, which is a type of fungus, is used by bakers to make traditional bread. Bread baking fungus reproduce asexually by budding.


Question: Mitosis is out of control due to what?\nOptions:\n- (A) fire\n- (B) infection\n- (C) cancer\n- (D) viruses\n- (E) pathogens\n- (F) Winter\n- (G) death\n- (H) pesticide

Answer: (C)

Cancer cells divide more often than normal cells, and grow out of control. Mitosis is a process by which cells divide. Cancer Mitosis is out of control.


Question: What does lymphoma do to cells?\nOptions:\n- (A) stops cells from dividing\n- (B) fertilizes cells\n- (C) It helps them survive\n- (D) it protects them\n- (E) cause people to become sick.\n- (F) an area swollen with pus\n- (G) causes them to divide often\n- (H) infects with a virus

Answer: (G)

Cancer cells divide more often than normal cells, and grow out of control. And leukemia and lymphoma are forms of cancer. Lymphoma causes cells to divide more often than normal cells and to grow out of control.


Question: Cancer cells perform what more often than regular cells?\nOptions:\n- (A) death\n- (B) PDAs\n- (C) grow\n- (D) recovery\n- (E) disease\n- (F) kill them\n- (G) mitosis\n- (H) radiation

Answer: (G)

Cancer cells divide more often than normal cells, and grow out of control. Basically, mitosis is the process by which a cell divides. Cancer cells perform mitosis more often than normal cells.


Question: Hydrogen bonds cause what to expand when it freezes?\nOptions:\n- (A) salt\n- (B) mercury\n- (C) NaCl\n- (D) lake\n- (E) H20\n- (F) rain\n- (G) h2o\n- (H) oxygen

Answer: (E)

Hydrogen bonds cause water to expand when it freezes. Water is everywhere H20. Hydrogen bonds cause H20 to expand when it freezes.


Question: What causes h20 to expand when frozen?\nOptions:\n- (A) evaporation\n- (B) vaporization\n- (C) hydrogen bonds\n- (D) helium bonds\n- (E) mysterious forces\n- (F) nitrogen bonds\n- (G) Physical weathering\n- (H) precipitation

Answer: (C)

Hydrogen bonds cause water to expand when it freezes. Water is everywhere H20. Hydrogen bonds cause H20 to expand when it freezes.


Question: Something that is primarily electrostatic in origin causes water to expand when it what?\nOptions:\n- (A) heat\n- (B) freezes\n- (C) a hazard\n- (D) boiling\n- (E) moves\n- (F) reacts\n- (G) expelled\n- (H) it's state

Answer: (B)

Hydrogen bonds cause water to expand when it freezes. Hydrogen bonds Hydrogen bonds are primarily electrostatic in origin. Something that is primarily electrostatic in origin causes water to expand when it freezes.


Question: The bonds of that which when heavy is deuterium cause what to expand when it freezes?\nOptions:\n- (A) matter\n- (B) rings\n- (C) CO 2\n- (D) liquids\n- (E) gas\n- (F) solutes\n- (G) cations\n- (H) water

Answer: (H)

Hydrogen bonds cause water to expand when it freezes. Deuterium, or heavy hydrogen, is an isotope of hydrogen, or a hydrogen atom with a neutron added. The bonds of that which when heavy is Deuterium cause water to expand when it freezes.


Question: Marine biomes are found in large bodies of what?\nOptions:\n- (A) fresh water\n- (B) the environment\n- (C) salt water\n- (D) liquid\n- (E) river water\n- (F) Absorb light\n- (G) Sediment\n- (H) black water

Answer: (C)

Marine biomes are found in the salt water of the ocean. An ocean is a large body of salt water. Marine biomes are found in large bodies of salt water.


Question: What type of water do sea tigers live in?\nOptions:\n- (A) warm-blooded\n- (B) survival\n- (C) Frozen\n- (D) liquid\n- (E) Salt water\n- (F) Fresh\n- (G) Absorb light\n- (H) Evaporated

Answer: (E)

Marine biomes are found in the salt water of the ocean. Another animal that lives within the Marine Biome is a sea tiger. Sea tigers live in salt water.


Question: What types of biomes are found in the pacific?\nOptions:\n- (A) mediterranean\n- (B) ferns\n- (C) marine\n- (D) canine\n- (E) land\n- (F) complex\n- (G) protected\n- (H) Conifers

Answer: (C)

Marine biomes are found in the salt water of the ocean. Largest of the oceans on Earth is the Pacific Ocean . The Pacific has marine biomes.


Question: Where can you find marine biomes?\nOptions:\n- (A) Lake Michigan\n- (B) The Pacific\n- (C) Absorb light\n- (D) complex\n- (E) the environment\n- (F) The Amazon\n- (G) The Missisippi\n- (H) salt and water.

Answer: (B)

Marine biomes are found in the salt water of the ocean. Largest of the oceans on Earth is the Pacific Ocean . You can find marine biomes in the Pacific.


Question: Where is the sea tiger found?\nOptions:\n- (A) eroded\n- (B) ocean\n- (C) warm\n- (D) fossils\n- (E) dense\n- (F) ligt\n- (G) embryos\n- (H) dead

Answer: (B)

Marine biomes are found in the salt water of the ocean. Another animal that lives within the Marine Biome is a sea tiger. Sea tigers are found in the salt water of the ocean.


Question: Lipid stores are used by plants and animals for what?\nOptions:\n- (A) energy.\n- (B) liver\n- (C) glycoproteins\n- (D) survival\n- (E) energy\n- (F) growth\n- (G) blood sugar\n- (H) food

Answer: (E)

Organisms use lipids to store energy. Plants and animals are organisms. Plants and animals use lipids to store energy.


Question: What do animals use for energy storage?\nOptions:\n- (A) photosynthesis\n- (B) sweating\n- (C) vitamin C\n- (D) batteries\n- (E) methane\n- (F) glucose\n- (G) sugar\n- (H) lipids

Answer: (H)

Organisms use lipids to store energy. Plants and animals are organisms. Animals use lipids to store energy.


Question: Organisms use what to store energy?\nOptions:\n- (A) food\n- (B) skin\n- (C) fat\n- (D) RNA\n- (E) batteries\n- (F) CO 2\n- (G) bone\n- (H) O2

Answer: (C)

Organisms use lipids to store energy. Another name for fat is lipid . Organisms use fat to store energy.


Question: What do organisms use carbon, oxygen, and hydrogen for?\nOptions:\n- (A) agriculture\n- (B) It helps them survive\n- (C) to destroy energy\n- (D) survival\n- (E) to store energy\n- (F) to waste energy\n- (G) heat produced\n- (H) to release energy

Answer: (E)

Organisms use lipids to store energy. Lipids Lipids are also composed of carbon, oxygen and hydrogen. Organisms use carbon, oxygen, and hydrogen to store energy.


Question: The total mass of organisms in an environmental stage is called what?\nOptions:\n- (A) food pyramid\n- (B) extinction\n- (C) ecological pyramid\n- (D) food chain\n- (E) vegetation\n- (F) food\n- (G) ligt\n- (H) biomass

Answer: (H)

Biomass is the total mass of organisms at a trophic level. Each stage is a trophic level. Biomass is the total mass of organisms in an environmental stage.


Question: What is a biomass' position in the food chain called?\nOptions:\n- (A) ecosystem\n- (B) more abundant\n- (C) action\n- (D) food swamp\n- (E) Chemical energy\n- (F) Trophic level\n- (G) permineralization\n- (H) It decreases

Answer: (F)

Biomass is the total mass of organisms at a trophic level. Trophic level refers to the organisms position in the food chain. A biomass' position in the food chain is a trophic level.


Question: Biomass is the total mass of living things at each what?\nOptions:\n- (A) trophic level\n- (B) important habitats\n- (C) Energy.\n- (D) food and shelter\n- (E) Power plants\n- (F) animals\n- (G) body water\n- (H) heat energy

Answer: (A)

Biomass is the total mass of organisms at a trophic level. Most living things are called organisms. Biomass is the total mass of living things at a trophic level.


Question: Biomass is the total mass of what at a trophic level?\nOptions:\n- (A) Plants growth\n- (B) peachleaf willow\n- (C) Conifers\n- (D) animals\n- (E) living things\n- (F) Most plants\n- (G) all matter\n- (H) insects

Answer: (E)

Biomass is the total mass of organisms at a trophic level. An organism is a living thing. Biomass is the total mass of living things at a trophic level.


Question: Arthropods are small animals with how many legs?\nOptions:\n- (A) 2\n- (B) millipede\n- (C) Aves\n- (D) six\n- (E) long\n- (F) one hundred\n- (G) legs\n- (H) two

Answer: (D)

Most arthropods are insects. An insect is a small animal with six legs. Most arthropods are small animals with six legs.


Question: What are the largest group of animals?\nOptions:\n- (A) sharks\n- (B) insects\n- (C) tortoises\n- (D) crocodiles\n- (E) people\n- (F) fur seals\n- (G) animals\n- (H) protected

Answer: (B)

Most arthropods are insects. Arthropods are the largest group of animals. The largest group of animals are insects.


Question: What is an arthopod with two wings?\nOptions:\n- (A) rare\n- (B) fly\n- (C) two\n- (D) host\n- (E) Aves\n- (F) male\n- (G) bird\n- (H) bats

Answer: (B)

Most arthropods are insects. Flies are insects with two wings. Flies are arthropods with two wings.


Question: What kind of animal is classified as having a vertebrae?\nOptions:\n- (A) it keeps an organism warm\n- (B) invertebrate\n- (C) vertebrate chordate\n- (D) gastropod shells\n- (E) the body's largest organ\n- (F) remains of prehistoric life\n- (G) hard boned animals\n- (H) roundworm

Answer: (C)

Vertebrate chordates have a backbone. Invertebrates have no vertebrae or backbone. Vertebrate chordates have a vertebrae.


Question: What do reptiles have?\nOptions:\n- (A) wild rides\n- (B) nerves\n- (C) toadies\n- (D) Bodily water\n- (E) backbones\n- (F) four limbs\n- (G) Leptospirosis\n- (H) pipe

Answer: (E)

Vertebrate chordates have a backbone. Because reptiles are vertebrates, they are chordates. Reptiles have backbones.


Question: Vertebrate chordates have what part of the skeletal system?\nOptions:\n- (A) spinal column\n- (B) hard bones\n- (C) aerobic capacity\n- (D) cartilage bones\n- (E) critical organs\n- (F) joints\n- (G) fur and fat\n- (H) graptolites

Answer: (A)

Vertebrate chordates have a backbone. Invertebrates are animals who lack a backbone or spinal column. Vertebrate chordates have a spinal column.


Question: Bottleneck effect can be a precursor to what?\nOptions:\n- (A) massive damage\n- (B) Climate change\n- (C) Destroy bridges\n- (D) Cambrian explosion\n- (E) ground to shake\n- (F) clams\n- (G) soda\n- (H) extinction

Answer: (H)

Bottleneck effect occurs when a population suddenly gets much smaller. Population size is the predictor of extinction probability. Bottleneck effect can be a precursor to extinction.


Question: When an animal or plant group gets much smaller, that's called a:\nOptions:\n- (A) bottleneck\n- (B) Winter\n- (C) Movement\n- (D) population explosion\n- (E) genus\n- (F) relocation\n- (G) Mason jar effect\n- (H) choker

Answer: (A)

Bottleneck effect occurs when a population suddenly gets much smaller. Animals and plants exist as populations. Bottleneck effect occurs when an animal or plant group gets much smaller.


Question: What can be reduced when a population suddenly gets much smaller?\nOptions:\n- (A) Pollution\n- (B) The size of the Earth\n- (C) Greenhouse gasses\n- (D) The size of bottlenecks\n- (E) The size of the environment\n- (F) Genetic variation\n- (G) Plant growth is reduced\n- (H) Quality of life

Answer: (F)

Bottleneck effect occurs when a population suddenly gets much smaller. Genetic variation can be reduced by random genetic drift, population bottlenecks, founder effect. Genetic variation can be reduced when a population suddenly gets much smaller.


Question: What is the effect of a population suddenly getting much smaller?\nOptions:\n- (A) major threat to health\n- (B) Decreased precipitation\n- (C) a lot of human deaths\n- (D) movement of tectonic plates\n- (E) it is unpredicatbale\n- (F) If they can no longer get food\n- (G) Plant growth is reduced\n- (H) enormous damage to homes

Answer: (E)

Bottleneck effect occurs when a population suddenly gets much smaller. Effects of bottlenecks are unpredictable . When a population suddenly gets much smaller the effects are unpredictable.


Question: What is it called when the number of people suddenly gets smaller?\nOptions:\n- (A) competing for resources\n- (B) competition\n- (C) A Greek letter\n- (D) heat or cold\n- (E) Earth orbiting the Sun\n- (F) permineralization\n- (G) bottleneck effect\n- (H) relocation

Answer: (G)

Bottleneck effect occurs when a population suddenly gets much smaller. Population is the number of people. Bottleneck effect occurs when the number of people suddenly gets much smaller.


Question: Bottleneck effect can occur with \nOptions:\n- (A) external migration\n- (B) direct damage to the lungs\n- (C) Movement of an air mass\n- (D) competition\n- (E) if humans disturb bears\n- (F) competing for resources\n- (G) Plant growth is reduced\n- (H) Temperature changing

Answer: (A)

Bottleneck effect occurs when a population suddenly gets much smaller. Population growth is reduced by external migration. Bottleneck effect occurs with external migration.


Question: What kind of life cycle do desmids have?\nOptions:\n- (A) allow growth\n- (B) Leptospirosis\n- (C) varied life cycle\n- (D) solid, liquid, gas\n- (E) Veins and arteries.\n- (F) immortal\n- (G) fixed life cycle\n- (H) static life cycle

Answer: (C)

Algae have varied life cycles. Desmids are green algae, members of the Chlorophyta. Desmids have varied life cycles.


Question: What have varied life cycles?\nOptions:\n- (A) bacteria\n- (B) fungi\n- (C) Variety.\n- (D) Cycles.\n- (E) plants\n- (F) Plants.\n- (G) insects\n- (H) Life of air.

Answer: (F)

Algae have varied life cycles. Some, such as the green algae, are plants. Some plants have varied life cycles.


Question: Viral envelopes are sometimes made of fats and what?\nOptions:\n- (A) cellulose\n- (B) glucose\n- (C) Energy.\n- (D) protein\n- (E) viral particles\n- (F) Energy\n- (G) food\n- (H) bacteria

Answer: (D)

Some viruses have an envelope of phospholipids and proteins. Phospholipids are body fats, too. Some viruses have an envelope of fats and proteins.


Question: What might have an envelope of proteins and enzymes?\nOptions:\n- (A) fur seals\n- (B) some viruses\n- (C) Most plants\n- (D) a fish\n- (E) animal transport\n- (F) animals\n- (G) chickens\n- (H) it needs them

Answer: (B)

Some viruses have an envelope of phospholipids and proteins. Phospholipases are the enzymes that degrade phospholipids . Some viruses have an envelope of enzymes and proteins.


Question: Some viruses have an envelope of\nOptions:\n- (A) fats and proteins\n- (B) allow growth\n- (C) aerobic capacity\n- (D) keeps the organism warm\n- (E) wavelengths and photons\n- (F) Chemical energy\n- (G) looseness\n- (H) To keep their body heat.

Answer: (A)

Some viruses have an envelope of phospholipids and proteins. Phospholipids are body fats, too. Some viruses have an envelope of fats and proteins.


Question: Most what in a gene pool are beneficial to organisms?\nOptions:\n- (A) resistance activities\n- (B) genetic ties\n- (C) genetic distractions\n- (D) Plant reproduction\n- (E) fur and fat\n- (F) resistance\n- (G) genetic variations\n- (H) genetic similarities

Answer: (G)

Mutation creates new genetic variation in a gene pool. Most mutations are beneficial to the organism. Most genetic variations in a gene pool are beneficial to organisms.


Question: What happens when there are random changes in the genetic information of an organism?\nOptions:\n- (A) New genetic variation\n- (B) Cancer\n- (C) cause people to become sick.\n- (D) deadly and devastating\n- (E) Identical twins\n- (F) Random diseases\n- (G) death and devastation\n- (H) a tree falling

Answer: (A)

Mutation creates new genetic variation in a gene pool. Mutations Mutations are random changes in the genetic information of an organism. Random changes in the genetic information of an organism creates a new genetic variation.


Question: Mutation leads to _.\nOptions:\n- (A) Devolution\n- (B) Plants growth\n- (C) rapid expansion\n- (D) Evolution.\n- (E) Degeneration\n- (F) Extinction\n- (G) massive damage\n- (H) anemia

Answer: (D)

Mutation creates new genetic variation in a gene pool. Genetic variation is the raw material for evolution. Mutation leads to evolution.


Question: The gene pool expands through fertilization and:\nOptions:\n- (A) offspring\n- (B) agriculture\n- (C) mutation\n- (D) babies\n- (E) seeds\n- (F) zygotes\n- (G) relocation\n- (H) competition

Answer: (C)

Mutation creates new genetic variation in a gene pool. Fertilization increases genetic variation. Mutation and fertilization have similar effects on the gene pool.


Question: What is a basis for natural selection?\nOptions:\n- (A) fur and fat\n- (B) competition\n- (C) mutation\n- (D) root growth\n- (E) insects\n- (F) animals\n- (G) trees\n- (H) cows

Answer: (C)

Mutation creates new genetic variation in a gene pool. Genetic variation is the basis for natural selection. Mutation is a basis for natural selection.


Question: What animals belong to the largest phylum of invertibrates?\nOptions:\n- (A) plants\n- (B) parasites\n- (C) octopuses\n- (D) tortoises\n- (E) eartworms\n- (F) insects\n- (G) mammals\n- (H) animals

Answer: (F)

Arthropods are the largest phylum of invertebrates. Insects are the largest group of arthropods. Insects belong to the largest phylum of invertibrates.


Question: What don't arthropods have?\nOptions:\n- (A) an exoskeleton\n- (B) legs\n- (C) Bodily water\n- (D) Damaged hearing\n- (E) kinetic energy\n- (F) a backbone\n- (G) Energy\n- (H) backs

Answer: (F)

Arthropods are the largest phylum of invertebrates. Invertebrates are animals without a backbone. Arthropods are animals without a backbone.


Question: When snow falls to the ground and soaks into the ground, what can it become?\nOptions:\n- (A) steam\n- (B) ice\n- (C) Sediment\n- (D) thermal heat\n- (E) dangerous\n- (F) flooding\n- (G) groundwater\n- (H) rainfall

Answer: (G)

Some precipitation that falls on land may soak into the ground, becoming groundwater. Most of the precipitation falls as snow. Some snow that falls on land may soak into the ground becoming groundwater.


Question: What is rain that absorbs into the earth called?\nOptions:\n- (A) aqueous solution\n- (B) heat energy\n- (C) soilwater\n- (D) groundwater\n- (E) peachleaf willow\n- (F) mud\n- (G) puddle\n- (H) water vapor

Answer: (D)

Some precipitation that falls on land may soak into the ground, becoming groundwater. Rain is also known as precipitation. Rain that falls on land may soak into the ground and become groundwater.


Question: Some precipitation that falls on land soaks into the ground, into:\nOptions:\n- (A) wells and springs\n- (B) mountains\n- (C) clouds\n- (D) it flows to a lower level\n- (E) water vapor\n- (F) sedimentary rocks\n- (G) deltas\n- (H) loose dirt

Answer: (A)

Some precipitation that falls on land may soak into the ground, becoming groundwater. Wells and springs are supplied by groundwater. Some precipitation that falls on land soaks into the ground, into wells and springs.


Question: What might fall on land may soak into the ground, becoming groundwater?\nOptions:\n- (A) river\n- (B) floods\n- (C) Rocks\n- (D) Hail\n- (E) rain\n- (F) Soil\n- (G) Trash\n- (H) salt

Answer: (D)

Some precipitation that falls on land may soak into the ground, becoming groundwater. Hail, rain, sleet, and snow are referred to as precipitation . Hail that falls on land may soak into the ground, becoming groundwater.


Question: The protective covering on mammals, that helps them conserve body heat, is usually:\nOptions:\n- (A) spiny\n- (B) scaley\n- (C) elastic\n- (D) dense\n- (E) fuzzy\n- (F) skin\n- (G) spiky\n- (H) fat

Answer: (E)

Mammals conserve body heat with their hair or fur. Mammals Hair or fur covers the bodies of most mammals. Mammals conserve body heat with their fuzzy, protective covering.


Question: What kind of animals conserve energy with their hair or fur?\nOptions:\n- (A) fur\n- (B) bears\n- (C) mammals\n- (D) sweating\n- (E) frogs\n- (F) cactus\n- (G) goats\n- (H) humans

Answer: (C)

Mammals conserve body heat with their hair or fur. Basically, heat is energy. Mammals conserve energy with their hair or fur.


Question: How do dogs conserve body heat?\nOptions:\n- (A) their blood cells\n- (B) fur and fat\n- (C) their nails\n- (D) layers of fat\n- (E) Exfoliation\n- (F) sweating\n- (G) their fur\n- (H) their hair

Answer: (G)

Mammals conserve body heat with their hair or fur. Dogs, of course, are mammals. Dogs conserve body heat with their fur.


Question: What do mammals use their body hair or fur to conserve?\nOptions:\n- (A) food\n- (B) energy\n- (C) warm\n- (D) warmth\n- (E) strength\n- (F) sunlight\n- (G) water\n- (H) health

Answer: (B)

Mammals conserve body heat with their hair or fur. Heat is emitted energy. Mammals conserve body energy with their hair or fur.


Question: What conserve body heat with their hair or fur?\nOptions:\n- (A) foxes\n- (B) snakes\n- (C) goats\n- (D) whales\n- (E) dogs\n- (F) cats\n- (G) humans\n- (H) lizards

Answer: (A)

Mammals conserve body heat with their hair or fur. Mammals include rabbits, foxes and coyotes. Foxes conserve body heat with their hair or fur.


Question: Where does energy enter into in the form of sunlight and chemical compounds?\nOptions:\n- (A) sun\n- (B) science lab\n- (C) biomes\n- (D) orchids\n- (E) photons\n- (F) deserts\n- (G) black hole\n- (H) trees

Answer: (C)

Energy enters ecosystems in the form of sunlight or chemical compounds. Biomes are global ecosystems. Energy enters biomes in the form of sunlight or chemical compounds.


Question: What do ecosystems in nature need an influx of to remain feasible?\nOptions:\n- (A) Continuous nuclear energy.\n- (B) Natural lipids and proteins.\n- (C) Energy.\n- (D) rain\n- (E) water\n- (F) Energy\n- (G) oxygen\n- (H) Renewable Sunny Delight.

Answer: (C)

Energy enters ecosystems in the form of sunlight or chemical compounds. Sunlight is the source of light in nature. Nature is comprised of many ecosystems which all depend upon energy.


Question: The sun contributes what to ecosystems?\nOptions:\n- (A) sun spot\n- (B) energy\n- (C) darkness\n- (D) seeds\n- (E) positive\n- (F) photons\n- (G) Nutrients\n- (H) Energy.

Answer: (B)

Energy enters ecosystems in the form of sunlight or chemical compounds. If there is sun, there is sunlight, there is day. Energy enters ecosystems from the sun.


Question: Energy enters what in the form of sunlight or chemical compounds.\nOptions:\n- (A) biomes\n- (B) fire\n- (C) light\n- (D) Energy.\n- (E) Energy\n- (F) LEDs\n- (G) propagate\n- (H) photons

Answer: (A)

Energy enters ecosystems in the form of sunlight or chemical compounds. Biomes are global ecosystems. Energy enters biomes in the form of sunlight or chemical compounds.


Question: What process provides one substance transported by the blood?\nOptions:\n- (A) breathing\n- (B) heat produced\n- (C) drink\n- (D) complex\n- (E) osmosis\n- (F) sweating\n- (G) cell division\n- (H) condensation

Answer: (A)

Oxygen is just one substance transported by the blood. Breathing and circulation allow oxygen to be transported to the body's cells. Breathing provides one substance transported by the blood.


Question: Oxygen and glucose share this mechanism in the body:\nOptions:\n- (A) it needs them\n- (B) aerobic capacity\n- (C) transportation\n- (D) flow of electrons\n- (E) Energy.\n- (F) Veins and arteries.\n- (G) sweating\n- (H) oxidation reaction

Answer: (C)

Oxygen is just one substance transported by the blood. Blood glucose is the substance that feeds our cells. Oxygen and glucose are transported the same way in the body.


Question: Herbivores eat producers or other what?\nOptions:\n- (A) roadkill\n- (B) Most plants\n- (C) living things\n- (D) scarce resources\n- (E) carcasses\n- (F) dead things\n- (G) Chemical energy\n- (H) Organic compounds

Answer: (C)

Consumers take in food by eating producers or other living things. Herbivores eat producers and are called first order consumers. Herbivores eat producers or other living things.


Question: Which is higher on the food chain?\nOptions:\n- (A) insects\n- (B) animals\n- (C) humans\n- (D) glucose\n- (E) decomposers\n- (F) herbivores\n- (G) producers\n- (H) consumers

Answer: (H)

Consumers take in food by eating producers or other living things. Decomposers produce nutrients for producers. Decomposers make nutrients for organisms that become food for consumers.


Question: That which is healthy when informed can take in what by eating producers?\nOptions:\n- (A) take out\n- (B) take in\n- (C) food statistics\n- (D) nectar\n- (E) Fruits\n- (F) food\n- (G) bamboo\n- (H) Energy

Answer: (F)

Consumers take in food by eating producers or other living things. An informed consumer is a healthy consumer. That which is healthy when informed can take in food by eating producers.


Question: Neurons are the structural and functional units of where what is critical?\nOptions:\n- (A) organs\n- (B) Glial cells\n- (C) nerves\n- (D) Structural units\n- (E) voltage\n- (F) Storage units\n- (G) Critical care\n- (H) A computer

Answer: (B)

Neurons are the structural and functional units of the nervous system. Glial cells perform critical functions in the nervous system. Neurons are the structural and functional units of where the glial cells perform critical functions.


Question: Which of the following affects neurons?\nOptions:\n- (A) nerves\n- (B) voltage\n- (C) Dehydration\n- (D) electrically\n- (E) heat\n- (F) Botulism\n- (G) fever\n- (H) temperature

Answer: (F)

Neurons are the structural and functional units of the nervous system. Botulism affects the nervous system. Botulism affects neurons.


Question: How do lions get food?\nOptions:\n- (A) It helps them survive\n- (B) They hunt with their group\n- (C) Your sensory system picks it up\n- (D) layers of fat\n- (E) They forage for fruit\n- (F) Something coming from a gland\n- (G) They appoint one hunter\n- (H) They hunt alone

Answer: (B)

Lions live in social groups called prides. Lions hunt together to provide food for the pride. Lions live in groups and hunt together for food.


Question: The type of supportive community that lions live in is called what?\nOptions:\n- (A) neighborhood\n- (B) good\n- (C) a pride\n- (D) warm\n- (E) group\n- (F) the Lion's Club\n- (G) complex\n- (H) positive

Answer: (C)

Lions live in social groups called prides. Social cohesion Social support, informal neighbourhood groups, community help groups. Lions live in supportive communities called prides.


Question: What live in social groups called prides?\nOptions:\n- (A) insects\n- (B) animals\n- (C) Pride parades\n- (D) humans\n- (E) Social networks\n- (F) fur seals\n- (G) Leo's symbol\n- (H) Social circles

Answer: (G)

Lions live in social groups called prides. Leo's symbol is the lion. Leo's symbols live in social groups called prides.


Question: What are lion communities called?\nOptions:\n- (A) complex\n- (B) PDAs\n- (C) groups\n- (D) protected\n- (E) prides\n- (F) murders\n- (G) flocks\n- (H) dangerous

Answer: (E)

Lions live in social groups called prides. Chimpanzees live in social groups called communities. Lions live in communities called prides.


Question: What social group is on richard's shield?\nOptions:\n- (A) humans\n- (B) insects\n- (C) people\n- (D) A pride.\n- (E) fur seals\n- (F) animals\n- (G) bears\n- (H) mammals

Answer: (D)

Lions live in social groups called prides. Richard the Lion Heart's shield has three lions on it. Richard's shield has a pride on it.


Question: Trees have woody stems covered with what?\nOptions:\n- (A) food and shelter\n- (B) smooth ridges\n- (C) looseness\n- (D) protective layer\n- (E) Organic compounds\n- (F) plastic sheet\n- (G) heat energy\n- (H) thin metal

Answer: (D)

Trees have woody stems covered with bark. During the stripping, the protective layer of inner bark is removed. Trees have woody stems covered with a protective layer.


Question: Trees have woody stems covered with what?\nOptions:\n- (A) heat energy\n- (B) thin skin\n- (C) protective skin\n- (D) skinny cells\n- (E) white skin\n- (F) Chlorophyll\n- (G) Organic compounds\n- (H) looseness

Answer: (C)

Trees have woody stems covered with bark. On the outside is a protective skin of bark made mainly of cork. Trees have woody stems covered with protective skin.


Question: What part of a tree would be woody and covered in bark?\nOptions:\n- (A) shrub beds\n- (B) the leaves\n- (C) the roots\n- (D) cacti\n- (E) a sapling\n- (F) Chlorophyll\n- (G) the trunk\n- (H) four limbs

Answer: (G)

Trees have woody stems covered with bark. Stems of plants include trunks and branches. Trees have woody trunks covered with bark.


Question: What has woody stems covered with bark?\nOptions:\n- (A) sunflowers\n- (B) Newton\n- (C) ferns\n- (D) seaweed\n- (E) Most plants\n- (F) palm trees\n- (G) evergreens\n- (H) orchids

Answer: (G)

Trees have woody stems covered with bark. Orange trees are evergreen trees. Evergreens have woody stems covered with bark.


Question: What are sometimes made from the material that covers woody stems?\nOptions:\n- (A) shrub beds\n- (B) solid geometric shapes\n- (C) saffron\n- (D) Organic compounds\n- (E) turmeric\n- (F) mustard seed\n- (G) cinnamon sticks\n- (H) layers of fat

Answer: (G)

Trees have woody stems covered with bark. Cinnamon sticks are simply pieces of tree bark. Woody stems are sometimes covered by material used to make cinnamon sticks.


Question: What is larger than ponds?\nOptions:\n- (A) rivers\n- (B) deltas\n- (C) H 2 O\n- (D) loch\n- (E) toads\n- (F) drop\n- (G) puddle\n- (H) bird bath

Answer: (D)

Lakes are generally bigger and deeper than ponds. Scotland s lochs , including the famous Loch Ness, are glacial lakes. Lochs are bigger and deeper than ponds.


Question: Cancer genes are an example of the type of thing that can be passed on through:\nOptions:\n- (A) people\n- (B) blood exposure\n- (C) massive damage\n- (D) viruses\n- (E) Plant reproduction\n- (F) contagious\n- (G) reproduction\n- (H) humans

Answer: (G)

Cancer genes can be inherited. Inherited characteristics are passed on by our genes. Cancer genes can be passed on through reproduction.


Question: What can be a disease with genetic traits?\nOptions:\n- (A) Allergies\n- (B) cancer\n- (C) blood\n- (D) flu\n- (E) disease cells\n- (F) anemia\n- (G) Smoking\n- (H) illness

Answer: (B)

Cancer genes can be inherited. Genetic diseases are diseases that are inherited. Cancer genes can be genetic.


Question: Parents can pass on many genes, including those for:\nOptions:\n- (A) the eyes\n- (B) trust accounts\n- (C) animals\n- (D) babies\n- (E) cremation\n- (F) clothing\n- (G) cancer\n- (H) offspring

Answer: (G)

Cancer genes can be inherited. Children inherit from their parents. Cancer genes can be passed on by parents.


Question: What can decompose a bow?\nOptions:\n- (A) Acids\n- (B) Oak\n- (C) CO 2\n- (D) pine\n- (E) erosion\n- (F) Wind\n- (G) water\n- (H) Fungi

Answer: (H)

Fungi are the only organisms that can decompose wood. Bows are wood, and wood breaks. Only fungi can decompose bows.


Question: What do fungi require?\nOptions:\n- (A) Energy\n- (B) food\n- (C) allow growth\n- (D) warmth\n- (E) Exfoliation\n- (F) Bodily water\n- (G) evaporation\n- (H) nitrogen

Answer: (H)

Fungi are the only organisms that can decompose wood. Nitrogen Deficiency Decomposing wood requires nitrogen. Fungi require nitrogen.


Question: Fungi are the only organisms that can decompose dead what?\nOptions:\n- (A) fossils\n- (B) legumes\n- (C) trees\n- (D) matter\n- (E) amoeba\n- (F) coal\n- (G) elms\n- (H) bamboo

Answer: (C)

Fungi are the only organisms that can decompose wood. Wood comes from trees. Fungi are the only organisms that can decompose dead trees.


Question: What enables natural selection to occur?\nOptions:\n- (A) environment\n- (B) mutations\n- (C) competition\n- (D) relocation\n- (E) Darwin\n- (F) evolutionary development\n- (G) root growth\n- (H) research

Answer: (B)

Mutations are essential for evolution to occur. Natural selection is the mechanism of evolution. Mutations allow for natural selection to occur.


Question: Changes in what are essential for evolution to occur.\nOptions:\n- (A) color of leaves\n- (B) genetic material\n- (C) learned behavior\n- (D) synthetic material\n- (E) the body's largest organ\n- (F) acquired characteristics\n- (G) sensory neurons\n- (H) Most plants

Answer: (B)

Mutations are essential for evolution to occur. Mutations are changes in the genetic material. Changes in the genetic material are essential for evolution to occur.


Question: What is essential for change over time?\nOptions:\n- (A) Light\n- (B) Chemical energy\n- (C) Essential oil.\n- (D) evaporation\n- (E) Currency.\n- (F) Clocks.\n- (G) colors\n- (H) Mutations.

Answer: (H)

Mutations are essential for evolution to occur. Evolution Evolution means change over time. Mutations are essential for change over time.


Question: What is needed for changes to occur?\nOptions:\n- (A) exercise\n- (B) mutations\n- (C) growth\n- (D) healthy animals\n- (E) environment\n- (F) evaporation\n- (G) Exfoliation\n- (H) births

Answer: (B)

Mutations are essential for evolution to occur. Evolution Change through time. Mutations are essential for changes to occur.


Question: Mutations are what to evolution?\nOptions:\n- (A) Plants growth\n- (B) essential\n- (C) optional\n- (D) competition\n- (E) dangerous\n- (F) non essential\n- (G) voluntary\n- (H) allow growth

Answer: (B)

Mutations are essential for evolution to occur. When that occurs, several things happen. Mutations are essential for evolution happen.


Question: What group of animals are a tetrapod vertebrate that produce amniotic eggs?\nOptions:\n- (A) class Reptilia\n- (B) warm-blooded\n- (C) more abundant\n- (D) graptolites\n- (E) animals\n- (F) insects\n- (G) mammals\n- (H) barnacles

Answer: (A)

Reptiles are a class of tetrapod vertebrates that produce amniotic eggs. Reptilia contains over 7800 entries on numerous species of reptiles. Animals in the class Reptilia are a class of tetrapod vertebrates that produce amniotic eggs.


Question: What is an example of a tetrapod vertebrate that produces amniotic eggs.\nOptions:\n- (A) animals\n- (B) tortoises\n- (C) crocodiles\n- (D) barnacles\n- (E) insects\n- (F) parasites\n- (G) Lizards\n- (H) a fish

Answer: (G)

Reptiles are a class of tetrapod vertebrates that produce amniotic eggs. All lizards are reptiles. Lizards are tetrapod vertebrates that produce amniotic eggs.


Question: What is an example of a tetrapod vertebrate?\nOptions:\n- (A) genus\n- (B) Leeuwenhoek\n- (C) a fish\n- (D) crocodile\n- (E) animals\n- (F) four limbs\n- (G) warm-blooded\n- (H) graptolites

Answer: (D)

Reptiles are a class of tetrapod vertebrates that produce amniotic eggs. Crocodiles, snakes, and lizards are all types of reptiles. Crocodiles are a type of tetrapod vertebrates that make amniotic eggs.


Question: What is the reason beak variation came about in birds?\nOptions:\n- (A) By wind and rain\n- (B) Attracting mates\n- (C) It helps them survive\n- (D) the Earth being tilted\n- (E) Competing species evolving\n- (F) it keeps an organism warm\n- (G) To assist in flying\n- (H) Warding off predators

Answer: (E)

Specialization occurs when competing species evolve different adaptations. Beaks show a lot of variation and specialization for different functions. Beak variation came about because of competing species evolving different adaptations.


Question: Natural selection results in:\nOptions:\n- (A) insects\n- (B) root growth\n- (C) Plants growth\n- (D) Animal survival\n- (E) animals\n- (F) Plant reproduction\n- (G) mammals\n- (H) specialization

Answer: (H)

Specialization occurs when competing species evolve different adaptations. Adaptation is the result of natural selection. Specialization is a result of natural selection.


Question: Specialization occurs when competing groups of interbreeding individuals evolve different what?\nOptions:\n- (A) color of leaves\n- (B) fur and fat\n- (C) forces\n- (D) colors\n- (E) frontal zones\n- (F) graptolites\n- (G) sensory neurons\n- (H) adaptations

Answer: (H)

Specialization occurs when competing species evolve different adaptations. Species is a group of interbreeding individuals. Specialization occurs when competing groups of interbreeding individuals evolve different adaptations.


Question: What do all vertebrates have?\nOptions:\n- (A) sensory neurons\n- (B) characteristics\n- (C) a complete digestive system\n- (D) Veins and arteries.\n- (E) sub-units of species\n- (F) wings and feathers\n- (G) gills\n- (H) gizzard

Answer: (C)

Chordates have a complete digestive system and a closed circulatory system. All chordates are vertebrates. Vertebrates have a complete digestive system and a closed circulatory system.


Question: What group of animals do chordates belong to?\nOptions:\n- (A) graptolites\n- (B) more abundant\n- (C) warm-blooded\n- (D) four limbs\n- (E) epidermal\n- (F) Vertebrates\n- (G) animals\n- (H) insects

Answer: (F)

Chordates have a complete digestive system and a closed circulatory system. Vertebrates have a closed circulatory system. Chordates are vertebrates.


Question: What can chordates go through?\nOptions:\n- (A) disease\n- (B) loss\n- (C) skin\n- (D) alveoli\n- (E) death\n- (F) painful\n- (G) shock\n- (H) illness

Answer: (G)

Chordates have a complete digestive system and a closed circulatory system. Shock is a disruption of the circulatory system. Chordates can experience shock.


Question: What attract pollinators like animals that eat apples and disperse the undigested seeds?\nOptions:\n- (A) beans\n- (B) honeybees\n- (C) stalks\n- (D) roots\n- (E) bushes\n- (F) orchids\n- (G) ferns\n- (H) flowers

Answer: (H)

Flowers attract pollinators, and fruits encourage animals to disperse the seeds. Sweet fruit like apples are eaten by animals that disperse the undigested seeds. Flowers attract pollinators like animals that eat apples and disperse the undigested seeds.


Question: What attracts insects?\nOptions:\n- (A) bushes\n- (B) orchids\n- (C) food\n- (D) animals\n- (E) pollinators\n- (F) seeds\n- (G) pollen\n- (H) flowers

Answer: (H)

Flowers attract pollinators, and fruits encourage animals to disperse the seeds. Insect Pollinators Learn about pollination and why insect pollinators are important in the garden. Flowers attract insects.


Question: Food consists of organic molecules that store heat where?\nOptions:\n- (A) in their chemical bonds\n- (B) the rest of the body\n- (C) the environment\n- (D) by keeping them warm\n- (E) Earth orbiting the Sun\n- (F) Earth revolving around the sun\n- (G) it helps plants in growing\n- (H) the body's largest organ

Answer: (A)

Food consists of organic molecules that store energy in their chemical bonds. Basically, heat is energy. Food consists of organic molecules that store heat in their chemical bonds.


Question: What have humans collected and grown as food for thousands of years?\nOptions:\n- (A) sunlight\n- (B) fungi\n- (C) plants\n- (D) rocks\n- (E) fungus\n- (F) salmon\n- (G) ferns\n- (H) poison

Answer: (B)

Humans have collected and grown mushrooms for food for thousands of years. Mushrooms are also fungi. Humans have collected and grown fungi for food for thousands of years.


Question: Humans have collected and grown what for food for thousands of years?\nOptions:\n- (A) plants\n- (B) fungi\n- (C) ferns\n- (D) cheese\n- (E) fungus\n- (F) salmon\n- (G) hamburgers\n- (H) primates

Answer: (B)

Humans have collected and grown mushrooms for food for thousands of years. Mushrooms are an example of fungi. Humans have collected and grown fungi for food for thousands of years.


Question: What have humans collected and grown for thousands of years?\nOptions:\n- (A) Organic compounds\n- (B) types of coral\n- (C) types of ferns\n- (D) bioaerosols\n- (E) Most plants\n- (F) types of fungus\n- (G) types of pine trees\n- (H) peachleaf willow

Answer: (F)

Humans have collected and grown mushrooms for food for thousands of years. Yeast and mushrooms are types of fungus. Humans have collected and grown types of fungus for food for thousands of years.


Question: What have humans have collected and grown for food for thousands of years?\nOptions:\n- (A) sunlight\n- (B) fungus\n- (C) bread\n- (D) salmon\n- (E) fungi\n- (F) dust\n- (G) plants\n- (H) edible

Answer: (E)

Humans have collected and grown mushrooms for food for thousands of years. Mushrooms are also fungi. Humans have collected and grown fungi for food for thousands of years.


Question: What living thing has collected and grown fungus as a source of food for thousands of years?\nOptions:\n- (A) humans\n- (B) grocery stores\n- (C) honeybees\n- (D) animals\n- (E) pigs\n- (F) fungi\n- (G) trees\n- (H) plants

Answer: (A)

Humans have collected and grown mushrooms for food for thousands of years. Yeast and mushrooms are types of fungus. Humans have collected and grown fungus for food for thousands of years.


Question: Which part of fungi have humans collected and grown for food for thousands of years?\nOptions:\n- (A) more abundant\n- (B) by indirect light\n- (C) remains of prehistoric life\n- (D) it keeps an organism warm\n- (E) epidermis and dermis\n- (F) Organic compounds\n- (G) loose soil\n- (H) fruiting structure

Answer: (H)

Humans have collected and grown mushrooms for food for thousands of years. About mushrooms Mushrooms are the fruiting structure of fungi. Humans have collected and grown the fruiting structure of fungi for food for thousands of years.


Question: When gardening what can be depleted of nutrients?\nOptions:\n- (A) fertilizer\n- (B) bacteria\n- (C) the plant\n- (D) coal\n- (E) pine\n- (F) the dirt\n- (G) Acids\n- (H) water

Answer: (F)

Soil can be depleted of nutrients. Dirt is really misplaced soil. Dirt can be depleted of nutrients.


Question: Nitrogen depletion is a condition of some:\nOptions:\n- (A) bushes\n- (B) humans\n- (C) animals\n- (D) soils\n- (E) disease\n- (F) legumes\n- (G) mammals\n- (H) Birds

Answer: (D)

Soil can be depleted of nutrients. An important nutrient commonly added to soil is nitrogen. Soil can be depleted of nitrogen.


Question: If not managed properly, nutrients can be depleted on\nOptions:\n- (A) environment\n- (B) Dehydration\n- (C) fronts\n- (D) our planet\n- (E) coastlines\n- (F) the skin\n- (G) farmland\n- (H) Power plants

Answer: (G)

Soil can be depleted of nutrients. Wampanucket soils are prime farmland soils. Farmland can be depleted of nutrients.


Question: Soil can be depleted of a thing that fertilizers can what to soil?\nOptions:\n- (A) grow\n- (B) add\n- (C) loss\n- (D) pH\n- (E) harm\n- (F) corn\n- (G) peat\n- (H) kill

Answer: (B)

Soil can be depleted of nutrients. Fertilizers add nutrients to the soil. Soil can be depleted of what fertilizers can add to soil.


Question: What causes the penis to develop?\nOptions:\n- (A) Creatine\n- (B) Energy\n- (C) Estrogen\n- (D) Testicles\n- (E) matter vibrating\n- (F) Testosterone\n- (G) movement\n- (H) It expands

Answer: (F)

Testosterone stimulates the reproductive organs to develop into male organs. Male mammals have a tube-like organ called the 'penis'. Testosterone causes the penis to develop.


Question: What stimulates the reproductive system to form male organs in growth?\nOptions:\n- (A) Chemical energy\n- (B) barnacles\n- (C) Electrical energy\n- (D) a doorbell\n- (E) sensory neurons\n- (F) peachleaf willow\n- (G) Veins and arteries.\n- (H) male hormones

Answer: (H)

Testosterone stimulates the reproductive organs to develop into male organs. Androgens are male hormones, like testosterone. Male hormones stimulated the reproductive organs to develop into male organs.


Question: What stimulates the reproductive organs to develop into male organs?\nOptions:\n- (A) Something coming from a gland\n- (B) Chemical energy\n- (C) A compound that donates proton\n- (D) certain anabolic hormones\n- (E) Something made from fermented ricce\n- (F) Electrical energy\n- (G) heat produced\n- (H) sensory neurons

Answer: (D)

Testosterone stimulates the reproductive organs to develop into male organs. Examples of anabolic hormones are testosterone and nandrolone. Certain anabolic hormones stimulate the reproductive organs to develop into male organs.


Question: Plants are not what?\nOptions:\n- (A) alive\n- (B) infected\n- (C) green\n- (D) animals\n- (E) growing\n- (F) viruses\n- (G) Conifers\n- (H) parasites

Answer: (F)

Viruses are not cells at all, so they are neither prokaryotes nor eukaryotes. All plants are eukaryotes. Viruses are not plants.


Question: What are not cells at all, so they are neither prokaryotes nor eukaryotes?\nOptions:\n- (A) Something with a head, thorax, and abdomen\n- (B) Microscopic organisms\n- (C) The smallest agent of disease\n- (D) Dead prehistoric beings\n- (E) female sex cells\n- (F) major threat to health\n- (G) remains of prehistoric life\n- (H) Something that smells like rotten eggs

Answer: (C)

Viruses are not cells at all, so they are neither prokaryotes nor eukaryotes. Viruses Viruses are the smallest agents of disease. The smallest agents of disease are not cells at all, so they are neither prokaryotes nor eukaryotes.


Question: Alternation of generations allows for different methods of producing:\nOptions:\n- (A) genders\n- (B) music\n- (C) Chlorophyll\n- (D) trees\n- (E) Plants growth\n- (F) offspring\n- (G) rays or beams\n- (H) infection

Answer: (F)

Alternation of generations allows for both asexual and sexual reproduction. Asexual reproduction gives offspring similar to parents. Alternation of generations allows for different methods of producing offspring.


Question: The most advantageous type of reproduction can be chosen when generational what is used?\nOptions:\n- (A) Plants growth\n- (B) alternation\n- (C) competition\n- (D) Chemical energy\n- (E) A computer\n- (F) colors\n- (G) Energy.\n- (H) Energy

Answer: (B)

Alternation of generations allows for both asexual and sexual reproduction. Advantages and disadvantages of sexual as opposed to asexual means of reproduction. Alternation of generations allows for using the most advantageous type of reproduction.