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15 Cards in this Set

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  • Back
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theory
explanation of a natuarl phenomenon that is supported by a large body of scientific evidence obtained from many different experiments and observations
explanation
natural phenomenon
evidence
hypothesis
testable explanation fro a question, problem, or set of observations
testable
explanation
homeostasis
regulation of an organism's internal environment to maintain conditoins suitable for its survival
organism
anything that has the characteristics of life
energy
the ability to do work or cause change
biology
the study of life
growth
increase in living material (get bigger)
cell
the basic unit of organization of all living things
organization
orderly structures that perform spacific functions
population
a group of organisms of the sam species which interbreed and live in the same area at the samt time
may compete for food
stimulus
condition in the environment that causes an organsim to adjust or react
response
reaction to stimulus
biosphere
the portion of earth that can support life
all ecosystems
species
groups of similar organsims that can interbreed and produce fertile offspring
control
control group--all conditions that remain the constant with the group throughout the experiment for compaison purposes with the experimental group