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Chapter One

chapt 1 wordDefinition
biology the study of life that seeks to provide the understanding of the natural world
organism anything that possesses all characteristics of life
organization orderly structure of cells in an organism, a characteristic of all living things
reproduction production of offspring by an organism
species group of organisms that can interbreed and produce fertile offspring in nature
growth increase in the amount of living material and formation of new structures in an organism
development all of the changes that take place during the life of an organism
environment biotic and abiotic surroundings to which an organism must constantly adjust
stimulus anything in an organisms internal or external environment that causes the organism to react
response an organisms reaction to a change in its internal or external environment
homeostatis organisms regulation of its internal environment to maintain conditions suitable for survival
energy the ability to cause change
adaptation evolution of structure, behavior or internal process that enables an organism to respond to environmental factors and live to produce offspring
evolution gradual change in a species through adaptations over time
scietific method procedures that biologists and other scientists use to gather information and answer questions
hypothesis explanation for a question or a problem that can be formally tested
experiment procedure that tests a hypothesis by collecting information under controlled conditions
control in an experiment, the standard against which results are compared
independent variable in an experiment, the condition that is tested because it affects the outcome of the experiment
dependent variable in an experiment, the condition that results from changes in the independent variable
safety symbol symbol that warns you about a danger that may exist
data information obtained from experiments, sometimes called experimental results
theory explanation of natural phenomenon supported by a large body of scientific evidence obtained from many different investigations and observations
ethics the moral principals and values by humans
technology application of scientific research to society's need and problems
Created by: bio123
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