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Evolution III Vocab Review

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Across
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Evolution of an animal or plant group into a wide variety of types adapted to specialized modes of life (two words)
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Before an egg is fertilized
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A type of speciation in which evolution of a new species from a surviving ancestral species while both continue to inhabit the same geographic region
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Large periods of time in which a species undergoes little or no morphological change, interrupted by relatively brief periods of change (two words)
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After an egg is fertilized
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To move apart
Down
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A type of speciation where new species are formed in populations that are geographically isolated from each other
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The existence of barriers that impede members of two species from producing viable, fertile offspring (two words)
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The offspring of two plants or animals of different species or varieties
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To come together
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A theory that assumes large morphological changes in organisms occur via a number of smaller steps over a number of years
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The evolution of new species
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A group of populations whose members have the potential to interbreed and produce viable, fertile offspring