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13 Cards in this Set
- Front
- Back
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adaptation
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a characteristic that improves an individual's ability to survive and reproduce in a particular environment
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Species
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A group of of organisms that are closely related and can mate to produce fertile offspring
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Evolution
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The process in which inherited characteristics within a population change over generations such that new species sometimes arise
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Fossil |
The trace or remains of an organism that lived long ago, most commonly preserved in sedimentary rock |
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Fossil record |
A historical sequence of life indicated by fossils found in layers of the Earth's crust |
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Trait |
A genetically determined characteristic |
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Selective breeding |
The human practice of breeding animals or plants that have certain desired traits |
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Generation time |
The period between the birth of one generation and the birth of the next generation |
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Speciation |
The formation of new species as a result of evolution |
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Natural selection |
Process where individuals that are better adapted to their environment survive and reproduce more successfully than less well adapted individuals do; a theory to explain the mechanism of evolution |
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Divergence |
Division |
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Population |
Amount of animals in a species |
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Vestigial structure |
A structure that became useless through evolution |
