Phrase by 'Ernst Mayr'
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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.
Author: Ernst Mayr - German ScientistTransformation , Existence , Evolution
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.
Author: Ernst Mayr - German ScientistNew , Place , Generation , Rise
Life is simply the reification of the process of living.
Author: Ernst Mayr - German ScientistLife , Process , Living , Simply
All I claimed was that when a drastic change occurs, it occurs in a relatively small and isolated population.
Author: Ernst Mayr - German ScientistChange , Small , Population , Isolated
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.
Author: Ernst Mayr - German ScientistTwo , Change , Evolution , Ignoring
Evolution thus is merely contingent on certain processes articulated by Darwin: variation and selection.
Author: Ernst Mayr - German ScientistCertain , Evolution , Variation , Selection
I did not claim that speciation occurs only in founder populations.
Author: Ernst Mayr - German ScientistOnly , Claim , Did , Founder
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.
Author: Ernst Mayr - German ScientistFound , Again , Location , Population
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.
Author: Ernst Mayr - German ScientistLife , My Life , City , Friendship
Indeed, I was unable to find any evidence whatsoever of the occurrence of a drastic evolutionary acceleration and genetic reconstruction in widespread, populous species.
Author: Ernst Mayr - German ScientistFind , Any , Evidence , Reconstruction
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