Indeed, I was unable to find any evidence whatsoever of the occurrence of a drastic evolutionary acceleration and genetic reconstruction in widespread, populous species. Ernst Mayr accelerationdrasticevidence Change image and share on social
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 aberrantclassifyfind share on social
I did not claim that speciation occurs only in founder populations. Ernst Mayr claimfounderoccur Change image and share on social
Evolution thus is merely contingent on certain processes articulated by Darwin: variation and selection. Ernst Mayr articulatecontingentdarwin Change image and share on social
