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" 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
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" 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
" 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
" 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
" Evolution thus is merely contingent on certain processes articulated by Darwin: variation and selection. "
Ernst Mayr
Selection
Processes
Evolution
" 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
" 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
" I did not claim that speciation occurs only in founder populations. "
Ernst Mayr
Claim
Founder
Only
" 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
" 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
" Life is simply the reification of the process of living. "
Ernst Mayr
Living
Simply
Life
" It seems to me that for Darwin the pulsing of evolutionary rates was a strictly vertical phenomenon. "
Ernst Mayr
Phenomenon
Rates
Seems
" All I claimed was that when a drastic change occurs, it occurs in a relatively small and isolated population. "
Ernst Mayr
Change
Small
Population