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" Evolution thus is merely contingent on certain processes articulated by Darwin: variation and selection. "
Ernst Mayr
Selection
Processes
Evolution
Related Quotes:
" The major novelty of my theory was its claim that the most rapid evolutionary change does not occur in widespread, populous species, as claimed by Most geneticists, but in small founder populations. "
Ernst Mayr
Claim
Small
Theory
" 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
Evidence
Genetic
Reconstruction
" 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
Existence
Transformation
Evolution
" 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
Extinction
Most
Competitive
" All I claimed was that when a drastic change occurs, it occurs in a relatively small and isolated population. "
Ernst Mayr
Change
Small
Population
" I did not claim that speciation occurs only in founder populations. "
Ernst Mayr
Claim
Founder
Only
" New gene pools are generated in every generation, and evolution takes place because the successful individuals produced by these gene pools give rise to the next generation. "
Ernst Mayr
Place
Successful
Evolution
" Life is simply the reification of the process of living. "
Ernst Mayr
Living
Simply
Life
" 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
Most
Location
Population
" It seems to me that for Darwin the pulsing of evolutionary rates was a strictly vertical phenomenon. "
Ernst Mayr
Phenomenon
Rates
Seems
" 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. "
Ernst Mayr
Fact
Change
Evolution
" In those early years in New York when I was a stranger in a big city, it was the companionship and later friendship which I was offered in the Linnean Society that was the most important thing in my life. "
Ernst Mayr
Life
Friendship
New York