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biology terms

chapter 1

QuestionAnswer
stimulus any condition in an environment that allows organisms to adjust
response an organisms reaction to change
homeostasis organisms reaction to a new environment
development all of the changes that take place during life
environment biotic and abiotic surroundings to an organism adjustment
biology the study of life
organism anything that possesses all the characteristics of a human
reproduction production of all offspring by an organism
species a group of organisms that can interbreed
growth increases in the amount of living material
energy ability to do work
adaptation evolution- gradual accumulations of adaptations over time
organization orderly structure of cells in an organism- a characteristic of all living things
evolution gradual accumulation of adaptations over time
control in an experiment, the standard in which all of the conditions are kept the same
data information obtained from experiments sometimes called experimental results
dependent variable in an experiment, the condition that results from changes in the independent variable
experiment procedure that tests a hypothesis by collecting information under controlled conditions
hypothesis explanation for a question or a problem that can be formally tested
independent variable in an experiment the condition that is changed because its affects the outcome of the experiment
safety symbol symbol that warns you about a danger that may exist from chemicals electricity heat or experimental procedures
scientific methods series of steps that biologists and other scientists use to gather info and answer questions- including observing and hypothesizing, experimenting and gathering and interpreting results
theory explanation of natural phenomenon supported by a large body of scientific evidence obtained from many different investigations and observations
ethics the moral principles and values held by humans
technology application of scientific resesarch to societys needs and problems
Created by: roxyhorse
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