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Evolution III Vocab Review

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