According to the concept of transformational evolution, first clearly articulated by Lamarck, evolution consists of the gradual transformation of organisms from one condition of existence to another.
More Quotes from Ernst Mayr:
Evolution thus is merely contingent on certain processes articulated by Darwin: variation and selection.Ernst Mayr
I did not claim that every genetic change in a founder population is a genetic revolution. Evidently it requires a special constellation for the occurrence of a more drastic genetic reorganization.
Ernst Mayr
All I claimed was that when a drastic change occurs, it occurs in a relatively small and isolated population.
Ernst Mayr
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
I had found again and again that the most aberrant population of a species - often having reached species rank, and occasionally classified even as a separate genus - occurred at a peripheral location, indeed usually at the most isolated peripheral location.
Ernst Mayr
I have been unable to discover in Darwin's writings any connection between allopatric speciation and change of evolutionary rate.
Ernst Mayr
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Based on Topics: Change Quotes, Evolution QuotesBased on Keywords: articulated, lamarck, transformational
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