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" This preservation of favourable individual differences and variations, and the destruction of those which are injurious, I have called Natural Selection, or the Survival of the Fittest. "
The Book of Wheat: An Economic History and Practical Manual of the Wheat ... - Página 19
por Peter Tracy Dondlinger - 1908 - 369 páginas
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The American Naturalist, Volumen28

1894 - 1218 páginas
...others, would have the best chance of surviving and of procreating their kind ?" "This preservation of favorable individual differences and variations, and the destruction of those which are injurious, I have called Natural Selection, or the Survival of the Fittest." This, then, is Darwinism — that...
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The Problem of Human Life: Embracing the "evolution of Sound" and "evolution ...

Alexander Wilford Hall - 1880 - 544 páginas
...variations as arise and are beneficial to the being under its conditions of life." "This preservation of favorable individual differences and variations and the destruction of those which are injurious [like a toothless upper jaw] I have called natural selection or the survival of the fittest." "Natural...
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The Problem of Human Life: Embracing the "evolution of Sound" and "evolution ...

Alexander Wilford Hall - 1877 - 546 páginas
...be rigidly destroyed. [Why has it not " rigidly " destroyed the camel's hump?] This preservation of favorable individual differences and variations and the destruction of those which are injitrious I have called natural selection or survival of the fittest." — Origin of Species, p. 63....
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The Imperial dictionary, on the basis of Webster's English dictionary, Volumen3

John Ogilvie - 1883 - 830 páginas
...their descendants of useful variations arising in animals or plant*. This preservation of favourable individual differences and variations, and the destruction of those which Are injurious, I have called Natttral S*ltctu>n, or the Survival of the Fittest. . . . Several writers have misapprehended...
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The Imperial Dictionary of the English Language: A Complete ..., Volumen4

John Ogilvie - 1883 - 834 páginas
...their descendants of useful variations arising in animals or plants. This preservation of favourable individual differences and variations, and the destruction of those which are Injurious, I have called Natural Selection, or the Survival of the Fittest. . . . Several writers ha ve misapprehended...
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On the Origin of Species: By Means of Natural Selection, Or, the ...

Charles Darwin - 1883 - 494 páginas
...variation in the least degree injurious would be rigidly destroyed. This preservation of favourable individual differences and variations, and the destruction of those which are injurious, I have called Natural Selection, or the Survival of the Fittest. Variations neither useful nor injurious...
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The Irish ecclesiastical record

Irish ecclesiastical record - 1884 - 840 páginas
...variation in the least degree injurious would be rigidly destroyed. This preservation of favourable individual differences and variations, and the destruction of those which are injurious, I have called natural selection, or the survival of the fittest." These extracts contain the principles...
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The Microcosm: The Organ of Substantial Philosophy, Volumen8

1891 - 208 páginas
...saving variations which are " beneficial," while he repeatedly tells us tiiat "This preserv,,tii'n of favorable Individual differences and variations, and the destruction of those which are injurious [such as partly developed wings, which could be of no service,] I have called natural selection or...
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The Ethical Import of Darwinism

Jacob Gould Schurman - 1887 - 292 páginas
...useful to it under the actual conditions of existence. Or, in Darwin's own words, " This preservation of favorable individual differences and variations, and the destruction of those which are injurious, I have called Natural Selection, or the Survival of the Fittest." The process, therefore, does not...
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Animal Life and Intelligence

Conwy Lloyd Morgan - 1891 - 544 páginas
...variation in the least degree injurious would be rigidly destroyed. This preservation of favourable individual differences and variations, and the destruction of those which are injurious, I have called Natural Selection, or the Survival of the Fittest. Variations neither useful nor injurious...
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