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Wherever we look at the living biota … discontinuities are overwhelmingly frequent…The discontinuities are even more striking in the fossil record. New species usually appear in the fossil record suddenly, not connected with their ancestors by a series of intermediates.

Ernst Mayr

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Ernst Mayr
Age: 100 †
Born: 1904
Born: July 5
Died: 2005
Died: February 3
Biologist
Curator
Ornithologist
Philosopher
University Teacher
Writer
Zoologist
Kempten/Allgäu
Ernst Walter Mayr
E. Mayr
E. W. Mayr
Even
Series
Striking
Species
Fossils
Record
Ancestors
Usually
Ancestor
Discontinuities
Records
Wherever
Discontinuity
Living
Appear
Overwhelmingly
Look
Suddenly
Frequent
Looks
Connected
Fossil

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Evolution thus is merely contingent on certain processes articulated by Darwin: variation and selection.
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It seems to me that for Darwin the pulsing of evolutionary rates was a strictly vertical phenomenon.
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There is more to biology than rats, Drosophila, Caenorhabditis, and E. coli.
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I feel that one species, mankind, doesn't have the right to exterminate
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In neither his definition nor the examples illustrating what memes are does Dawkins mention anything that would distinguish memes from concepts.
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Scientific progress consists in the development of new concepts.
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Given the fact of evolution, one would expect the fossils to document a gradual steady change from ancestral forms to the descendants. But this is not what the paleontologist finds. Instead, he or she finds gaps in just about every phyletic series.
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To take an unequivocal stand, it seems to me, is of greater heuristic value and far more likely to stimulate constructive criticism than to evade the issue.
Ernst Mayr
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Evolution as such is no longer a theory for a modern author. It is as much a fact as that the earth revolves around the sun.
Ernst Mayr
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The history of science knows scores of instances where an investigator was in the possession of all the important facts for a new theory but simply failed to ask the right questions.
Ernst Mayr
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Evolution ... is opportunistic, hence unpredictable.
Ernst Mayr
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It is curious how often erroneous theories have had a beneficial effect for particular branches of science.
Ernst Mayr
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I have the honesty to say I'm an Atheist. There is nothing that supports the idea of a personal God.
Ernst Mayr
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Definitions are temporary verbalizations of concepts, and concepts- particularly difficult concepts- are usually revised repeatedly as our knowledge and understanding grows.
Ernst Mayr
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A species is a reproductive community of populations reproductively isolated from others that occupies a specific niche in nature.
Ernst Mayr
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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
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Life is simply the reification of the process of living.
Ernst Mayr
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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.
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The most consequential change in man's view of the world, of living nature and of himself came with the introduction, over a period of some 100 years beginning only in the 18th century, of the idea of change itself, of change over periods of time: in a word, of evolution.
Ernst Mayr
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A new species develops if a population which has become geographically isolated from its parental species acquires during this period of isolation characters which promote or guarantee reproductive isolation when the external barriers break down.
Ernst Mayr