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11 Cards in this Set
- Front
- Back
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Evolution
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change over time; the process by which modern organisms have descended from ancient organisms.
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Fossil
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preserved remains or traces of ancient organisms.
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Artificial Selection
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selective breeding of plants and animals to promote the occurrence of desirable traits in offspring.
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Adaptation
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heritable characteristic that increases an organism’s ability to survive and reproduce in a environment.
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Fitness
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how well an organism can survive and reproduce in its environment.
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Natural Selection
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process by which organisms that are most suited to their environment survive and reproduce most successfully; also called survival of the fittest.
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Biogeography
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study of past and present distribution of organisms.
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Homologous Structure
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structures that are similar in different species of common ancestry.
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Analogous Structure
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body parts that share a common function, but not structure.
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Vestigial Structure
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structure that is inherited from ancestors but has lost much or all of its original function.
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Endosymbiotic Theory
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theory that proposes that eukaryotic cells formed from a symbiotic relationship among several different prokaryotic cells.
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