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The gradual movement of the continents across the earth's surface through geological time.

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Geographic isolation is a term that refers to a population of animals, plants, or other organisms that are separated from exchanging genetic material with other organisms of the same species. Typically geographic isolation is the result of an accident or coincidence.

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Variation in the relative frequency of different genotypes in a small population, owing to the chance disappearance of particular genes as individuals die or do not reproduce.

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The study of heredity and the variation of inherited characteristics.

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Evolutionary change within a species or small group of organisms, especially over a short period.

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Pangea was a supercontinent that existed during the late Paleozoic and early Mesozoic eras.

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Evolution is change in the heritable characteristics of biological population over successive generations.