Most modern authors failed to distinguish between two very different phenomena the production of a new taxon, and the production of a new phenotype.
More Quotes from Ernst Mayr:
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.Ernst Mayr
No longer is a fixed object transformed, as in transformational evolution, but an entirely new start is, so to speak, made in every generation.
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
Evolution thus is merely contingent on certain processes articulated by Darwin: variation and selection.
Ernst Mayr
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