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" Life is simply the reification of the process of living. "
Ernst Mayr
Living
Simply
Life
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" It seems to me that for Darwin the pulsing of evolutionary rates was a strictly vertical phenomenon. "
Ernst Mayr
Phenomenon
Rates
Seems
" Living in an entirely different physical as well as biotic environment, such a population would have unique opportunities to enter new niches and to select novel adaptive pathways. "
Ernst Mayr
Opportunities
Environment
Unique
" 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
" Evolution thus is merely contingent on certain processes articulated by Darwin: variation and selection. "
Ernst Mayr
Selection
Processes
Evolution
" 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
" I did not claim that speciation occurs only in founder populations. "
Ernst Mayr
Claim
Founder
Only
" 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
" 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
" 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
" 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
" 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