All I claimed was that when a drastic change occurs, it occurs in a relatively small and isolated population.
Ernst Mayr
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Most of them are doomed to rapid extinction, but a few may make evolutionary inventions, such as physiological, ecological, or behavioral innovations that give these species improved competitive potential.
- Ernst Mayr -
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Evolution thus is merely contingent on certain processes articulated by Darwin: variation and selection.
- Ernst Mayr