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10 Cards in this Set
- Front
- Back
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evolution
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descent with modification; the idea that living species are descendants of ancestral species that were different from the present-day ones; also defined more narrowly as the change in the genetic composition of a population from generation to generation
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adaptation
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inherited characteristic of an organism that enhances its survival and reproduction in a specific environment
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natural selection
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a process in which individuals that have certain inherited traits to tend to survive and reproduce at higher rates that other individual because of those traits
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artificial selection
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the selective breeding of domesticated plants and animals to encourage the occurrence of desirable traits
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homologous structures
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structures in different species that are similar because of common ancestry
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vestigial structure
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a feature of an organism that is a historical remnant of a structure that served a function in the organism's ancestors
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evolutionary tree
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a branching diagram that relects a hypothesis about evolutionary relationships among groups of organisms
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convergent evolution
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the evolution of similar features in independent evolutionary lineages
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analogous
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having characteristics that are similar because of convergent evolution, not homology
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endemic
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referring to a species that is confined to a specific geographic area
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