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18 Cards in this Set
- Front
- Back
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Natural selection |
Individuals that have inherited beneficial adaptations produce more offspring on average than other individuals |
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Adaptation |
Allows organism to better survive in its environment |
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Homologous structure |
Similar in structure but appear in different organisms and have different functions. Common ancestor |
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Analogues structure |
Similar function but different origin |
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Artificial selection |
Humans change species for certain traits |
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Fitness |
Ability to survive and produce more offspring compared to others |
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Variation |
Difference in traits from other individuals |
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Biogeography |
The study of distribution of organisms around the world |
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Gradualism |
Slow changes over a long period of time |
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Species |
Group of organisms so similar they can reproduce |
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Evolution |
Biological change where descendants differ from ancestors |
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Catastophism |
Natural disasters happen often in history |
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Vestigal structure |
Remants of organs or structures that had a function in early ancestor |
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Fossil |
Traces of organisms that existed in the past |
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Uniformitarianism |
Present geologic processes are the key to the past |
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Heritability |
Ability of a trait to be passed down |
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Population |
All individuals of a species live together |
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Paleontology |
Study of fossils or extinct organisms |
