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Evolution of Populations

Across
The rise of two or more species from one existing species.
Evolution toward similar characteristics in unrelated species.
When timing prevents reproduction between populations.
Rapid evolution of many diverse species.
Change in allele frequencies due to chance.
When members of different populations can no longer mate successfully.
Scientists responsible for idea of evolutionary equilibrium.
The combined alleles of all the individuals in a population.
Selection that favors phenotypes from one extreme of a trait's range.
Highest toward the mean and decreases toward the extreme(s).
Caused by differences in courtship or mating behaviors.
Down
Bursts of change followed by long periods with no change.
When intermediate phenotypes are favored by natural selection.
When certain traits increase mating success.