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16 Cards in this Set
- Front
- Back
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stimulus
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anything that an organism responds to
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cells
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the smallest unit of organisms that carry on the functions of life
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organisms
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living things that have certain features that rocks and water do not
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biogenesis
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theory that living things come only from other living things
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control
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the standard used to compare the outcome of the test
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spontaneous generation
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people believed that living things come from non-living matter
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law
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based on the repeated data and tells us how nature works
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theory
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an explanation of things or events based on many observations
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hypothesis
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a prediction that can be tested
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scientific method
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a series of procedures
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variable
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a factor tested in an experiment
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adaptation
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any characteristic an organism has to make it better able to survive in its surroundings
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development
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All the changes organisms undergo as they grow
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response
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the reaction of an organism to a stimulus
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homeostasis
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the regulation of an organism's internal environment to maintain conditions that allow it to live
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Life Span
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Length of time an organism is expected to live
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