- Living
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- Nov 07, 2020
Ernst Mayr Quotes
Most Famous Ernst Mayr Quotes of All Time!
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- Last Updated on May 30, 2021
- Evolution
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- Nov 07, 2020
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.
- Drastic
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- Nov 07, 2020
All I claimed was that when a drastic change occurs, it occurs in a relatively small and isolated population.
- Evolution
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- Nov 07, 2020
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.
- Certain
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- Nov 07, 2020
Evolution thus is merely contingent on certain processes articulated by Darwin: variation and selection.
- Most
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- Nov 07, 2020
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.
- Friendship
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- Nov 07, 2020
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.
- Any
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- Nov 07, 2020
Indeed, I was unable to find any evidence whatsoever of the occurrence of a drastic evolutionary acceleration and genetic reconstruction in widespread, populous species.
- Me
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- Nov 07, 2020
It seems to me that for Darwin the pulsing of evolutionary rates was a strictly vertical phenomenon.
- Living
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- Nov 07, 2020
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.
- May
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- Nov 07, 2020