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The amount of kinetic energy in a moving object depends directly on its mass and **blank**
[ "volume", "direction", "density" ]
velocity
**blank** take the shape of their container , and are relatively easy to compress
[ "molecules", "semi-fluids", "fluids" ]
gases
moving air is called **blank**
[ "steam", "clouds", "humidity" ]
wind
Diagnosing and treating cancer is a beneficial use of **blank** potentially dangerous energy
[ "thermal", "mechanical", "solar" ]
radiation
Many adults and some children suffer from a deficiency of lactase . these individuals are said to be lactose intolerant because they can not digest the lactose found in **blank**
[ "fruit", "peanuts", "meat" ]
milk
Three-prong plugs , circuit breakers , and gfci outlets are safety features that recognize the danger of **blank**
[ "heat", "magnetism", "gravity" ]
electricity
In qualitative analysis , reagents are added to an unknown chemical mixture in order to induce **blank**
[ "motion", "sunlight", "erosion" ]
precipitation
the second most abundant element in the earth 's crust is **blank**
[ "nitrogen", "helium", "carbon" ]
silicon
More than half of all known organisms are **blank**
[ "mammals", "enzymes", "spiders" ]
insects
Saturn is made mostly of helium and **blank**
[ "nitrogen", "carbon" ]
hydrogen
alkenes organic compounds that contain one or more double or triple bonds between carbon atoms are described as **blank**
[ "saturated", "insulated", "strong" ]
unsaturated
the resistance of a liquid to flow called is **blank**
[ "turbulence", "permeability", "elasticity" ]
viscosity
The mass of atoms is based on the number of protons and neutrons in **blank**
[ "electrons", "molecules", "components" ]
nucleus
the study of how and why plants and animals live where they do is **blank**
[ "geomorphology", "heredity", "lithography" ]
biogeography
we call the energy-rich product of photosynthesis **blank**
[ "chloride", "sugar", "insulin" ]
glucose
Ringworm and athlete 's foot are human diseases caused by **blank** simple organisms
[ "bacteria", "insects", "viruses" ]
fungi
the measure of the change in the velocity of a moving object called is **blank**
[ "transmission", "compression", "pressurization" ]
acceleration
**blank** are generally divided into prosimian and non-prosimian
[ "carnivores", "rodents", "insects" ]
primates
The creation and destruction of oceanic crust is the reason **blank** moves
[ "animals", "planets", "oceans" ]
continents
Meiosis in the sporophyte produces haploid cells called **blank**
[ "fibers", "ions", "seeds" ]
spores
* clouds trap *blank** into the atmosphere at night
[ "seawater", "light", "smog" ]
heat
the largest arthropods are **blank** of animals
[ "birds", "fish", "spiders" ]
insects
Tests for levels of **blank** in blood allow a diabetic patient to regulate how much insulin to administer
[ "alcohol", "chloride", "protein" ]
glucose
The process of breaking down food into nutrients is known as **blank**
[ "energy", "absorption", "filtration" ]
digestion
**blank** describes how closely packed the particles of matter
[ "range", "mass", "space" ]
density
it is called **blank** when you get the same result after repeating an experiment
[ "variable", "control", "initiation" ]
replication
the largest human organ is **blank**
[ "stomach", "brain", "lungs" ]
skin
In the chest , the trachea divides as it enters the lungs to form the right and left **blank**
[ "alveoli", "ventricle", "atrium" ]
bronchi
Many objects have color because they contain **blank**
[ "solvents", "vitamins", "salts" ]
pigments
**blank** of power does not produce any pollutants , but produces waste that can be difficult to dispose of
[ "electrical", "biofuel", "solar" ]
nuclear
our main source of aluminum ore is **blank**
[ "coal", "cobalt", "tin" ]
bauxite
Rapidly produced genetic vairants are found in organisms with **blank** type of generation time
[ "long", "repeating", "oscillating" ]
short
Unlike prokaryotic cells , dna and rna synthesis in eukaryotic cells occurs in a separate compartment from synthesis of **blank**
[ "membrane", "phenotype", "acids" ]
protein
**blank** important organelle ( that would otherwise be centrally located and crucial to the cell 's survival ) do prokaryotic cells lack
[ "electrons", "molecules", "protons" ]
nucleus
**blank** evolved from a lobe-finned lungfish ancestor
[ "birds", "horses", "mice" ]
amphibians
flagellate protozoa that cause giardiasis are **blank**
[ "diatoms", "fungus", "plankton" ]
giardia
the contacts between neurons are called **blank**
[ "neurapses", "impulses", "electrodes" ]
synapses
the color of the powder of a mineral is **blank**
[ "gray", "organic", "blue" ]
streak
**blank** facilitates dispersal of pollen and fruit by raising reproductive structures
[ "root", "leaf", "flower" ]
stem
**blank** of compound is essential to life
[ "carbon", "oxygen", "nitrogen" ]
water
The shape of a virus is determined by the type and arrangement of proteins in its **blank**
[ "enamel", "anode", "nuclei" ]
capsid
the rising and sinking of warm and cooler material called is **blank**
[ "depression", "conveyance", "diffusion" ]
convection
a group of connected cells that have a similar function within an organism called is **blank**
[ "organ", "nucleus", "colony" ]
tissue
The number of **blank** subatomic particles can vary between atoms of the same element
[ "protons", "electrons", "neurons" ]
neutrons
The process in which organ systems work to maintain a stable internal environment is called **blank**
[ "consciousness", "thrombosis", "ketosis" ]
homeostasis
**blank** comprises the sun and other stars , as well as lightning and the northern lights
[ "aurora", "gamma", "gas" ]
plasma
The function of **blank** organ is to filter blood and form urine
[ "liver", "lungs", "gallbladder" ]
kidneys
The attraction between all objects in the universe is known as **blank**
[ "variation", "electricity", "magnetism" ]
gravity
Friction causes the molecules on rubbing surfaces to move faster , which produces **blank**
[ "life", "precipitation", "cold" ]
heat
The cell wall acts as an extra layer of protection , helps the cell maintain its shape , and prevents **blank**
[ "extinction", "exhaustion", "Respiration" ]
dehydration
another term for egg-laying mammals is **blank**
[ "viviparus", "amphibians", "herbivores" ]
monotremes
the same in all living things and shows that all organisms are related by descent from a common ancestor is **blank**
[ "descendant", "biochemical", "intrinsic" ]
genetic
All animals that derive energy from food are classified as **blank**
[ "lifeforms", "paleotrophs", "heliotrophs" ]
heterotrophs
Through **blank** process is the human gene for insulin placed into bacteria
[ "migration", "mutation", "absorption" ]
transformation
the term for longer chains of monosaccharides is **blank**
[ "proteins", "hydrocarbons", "oligosaccharides" ]
polysaccharides
**blank** is at work when warm air or water rises , and cool air or water sinks
[ "evaporation", "radiation", "moisture" ]
convection
The kinetic-molecular theory as it applies to gases has **blank** many basic assumptions
[ "four", "two", "seven" ]
five
During photosynthesis , **blank** is energy from the sun converted to after entering a plant
[ "Carbon", "chloride", "Proteins" ]
glucose
hydrophilic substances have an affinity for **blank**
[ "air", "soil", "heat" ]
water
The electronegativity of an element increases with increasing of **blank** state
[ "isolation", "evaporation", "conduction" ]
oxidation
Animals require air , water , and **blank** in order to live and survive
[ "time", "mates", "shade" ]
food
there are **blank** types of bosons
[ "three", "one", "five" ]
four
Different forms , or allotropes , of carbon are diamond , graphite , and **blank**
[ "ligands", "vesicles", "carbonite" ]
fullerenes
the process in which organisms reproduce sexually by joining gametes is called **blank**
[ "propagation", "migration", "stimulation" ]
fertilization
**blank** is the force of attraction between things that have mass
[ "friction", "motion", "momentum" ]
gravity
Zinc reacting with hydrochloric acid produces bubbles of **blank** gas
[ "carbon", "helium", "mustard" ]
hydrogen
Water gains and loses **blank** more slowly than does land , affecting seasonal conditions inland and on the coast
[ "volume", "humidity", "minerals" ]
heat
**blank** indicates moles per liter , whereas molality is moles per kilogram of solvent
[ "pollenation", "abundance", "kilocalorie" ]
molarity
Hydrochloric acid is formed when hcl is dissolved into **blank**
[ "blood", "sodium", "plasma" ]
water
Atoms of the same element that have different masses are called **blank**
[ "variations", "radioactive", "mutations" ]
isotopes
**blank** is characterized by eddies and swirls that mix layers of fluid together , unlike laminar flow
[ "combustion", "compression", "evaporation" ]
turbulence
**blank** refers to a separation of charge within an atom or molecule
[ "diffusion", "convection", "rotation" ]
polarization
Aerobic exercise helps improve the cardiovascular system , while **blank** exercise causes muscles to get bigger and stronger
[ "endurance", "skeletal", "enzymatic" ]
anaerobic
An excessive posterior curvature of the thoracic region is also known as **blank**
[ "lordosis", "babesiosis", "osmosis" ]
kyphosis
**blank** is composed of two strands of nucleotides in a double-helical structure
[ "molecule", "RNA", "bacteria" ]
dna
The body is made up of **blank** many types of tissue
[ "five", "seven", "six" ]
four
The great astronomer edwin hubble discovered that all distant galaxies are receding from our milky way galaxy with velocities proportional to their **blank**
[ "masses", "paths", "dimensions" ]
distances
**blank** are passed from one generation to the next so species can survive
[ "selections", "mutations", "fluctuations" ]
adaptatioins
a diffraction grating produce **blank** of lines
[ "nearly spaced lines", "properly spaced lines", "randomly spaced lines" ]
evenly spaced lines
Ice masses , acquifers , and the deep ocean are examples of water **blank**
[ "lakes", "seas", "fields" ]
reservoirs
**blank** lies above the highest altitude an airplane can go and below the lowest altitude a spacecraft can orbit
[ "stratosphere", "troposphere", "thermosphere" ]
mesosphere
the first step in the breakdown of glucose to extract energy for cellular metabolism is **blank**
[ "mutation", "mitosis", "photosynthesis" ]
glycolysis
atoms carry **blank**
[ "negative", "static", "positive" ]
neutral
The pleura that surrounds the lungs consists of **blank** many layers
[ "one", "four", "three" ]
two
The process of the cytoplasm splitting apart and the cell pinching in two is known as **blank**
[ "mitosis", "electrolysis", "budding" ]
cytokinesis
**blank** of mountainous formation can often be found near trenches
[ "earthquakes", "caves", "craters" ]
volcanoes
Because it can be controlled intentionally , skeletal muscle is also called **blank** type of muscle
[ "automatic", "necessary", "involuntary" ]
voluntary
Felsic , intermediate , mafic , and ultramafic are types of composition of **blank** rock group
[ "Sedimentary", "asteroids", "metamorphic" ]
igneous
the base of nearly all food chains on earth is **blank**
[ "glycolysis", "atherosclerosis", "synthesis" ]
photosynthesis
the name of the region of a magnet that has the most pull is **blank**
[ "center", "grid", "tail" ]
pole
**blank** many major forces of elevation cause allele frequencies to change
[ "one", "five", "three" ]
four
In physics , **blank** is defined as the average kinetic energy of the particles of matter
[ "density", "friction", "magnetism" ]
temperature
Dalton 's law and henry 's law both describe aspects of **blank** type of exchange
[ "energy", "electron", "liquid" ]
gas
Hemoglobin is a large molecule made up of proteins and iron . it consists of four folded chains of a protein called this ? **blank**
[ "peptide", "histone", "insulin" ]
globin
A new species is said to have evolved if separated members of a species evolve genetic differences that prevent **blank** from occurring with the original members ?
[ "extinction", "evolution", "re-population" ]
interbreeding
**blank** describes the orientation of a body lying face-down
[ "Under", "Diagnal", "Supine" ]
prone
the name of the second most electronegative element is **blank**
[ "nitrogen", "Hydrogen", "carbon" ]
oxygen
the term for species evolving together is **blank**
[ "conjuration", "interconnection", "specmutation" ]
coevolution
the other term for your wind pipe is **blank**
[ "cornea", "cochlea", "esophagus" ]
trachea
cells secrete **blank** that binds to receptors
[ "stress", "endorphans", "proteins" ]
factor