As a consequence, geneticists described evolution simply as a change in gene frequencies in populations, totally ignoring the fact that evolution consists of the two simultaneous but quite separate phenomena of adaptation and diversification.
Quote by Ernst Mayr
Ernst Mayr Quotes
Indeed, I was unable to find any evidence whatsoever of the occurrence of a drastic...
Evolution thus is merely contingent on certain processes articulated by Darwin: variation and selection.
The major novelty of my theory was its claim that the most rapid evolutionary change...
I did not claim that speciation occurs only in founder populations.
In Earth, among millions of lineages or organisms and perhaps 50 billion speciation events, only...
According to the concept of transformational evolution, first clearly articulated by Lamarck, evolution consists of...
All I claimed was that when a drastic change occurs, it occurs in a relatively...
I had found again and again that the most aberrant population of a species -...
New gene pools are generated in every generation, and evolution takes place because the successful...