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9 Cards in this Set
- Front
- Back
Species:
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a similar group of organisms that can mate with each other and produce fertile offspring
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Fossil
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preserved remains of an organism that lived in the past
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Fossil Record
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the millions of fossils that scientists have collected
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Adaptation
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a trait that helps an organism survive and reproduce
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Evolution
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the gradual change in a species over time
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Natural selection:
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the process where individuals better adapted to their environment are more likely tosurvive and reproduce compared to others of their species
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Fitness
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an individual’s ability to survive and reproduce in a given environment
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Variation:
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any difference between individuals of the same species
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Homologous structures:
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similar structures that related species have inherited from a common ancestor
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