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7 Cards in this Set
- Front
- Back
species
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A group of similar organisms that can mate with each other and produce fertile offspring
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fossil
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The preserved remains or traces of an organism that lived in the past.
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adaptation
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A trait that helps an organism survive and reproduce in its environment
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evolution
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The gradual change of a species over time.
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scientific theory
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A well tested concept that explains a wide range of observations.
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natural selection
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Individuals that are better adapted to their environment are more likely to survive and reproduce than other members of the same species.
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variation
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A difference between individuals of the same species.
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