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Libros Libros 31 - 40 de 60 sobre This preservation of favourable individual differences and variations, and the destruction...
" 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 36
por Peter Tracy Dondlinger - 1908 - 369 páginas
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Plant-breeding: being six lectures upon the amelioration of domestic plants

Liberty Hyde Bailey - 1912 - 483 páginas
...them, how does she endeavor to fix them, or to make them more or less stable ? " 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 is the philosophy which was propounded...
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Plant-breeding: Being Six Lectures Upon the Amelioration of Domestic Plants

Liberty Hyde Bailey - 1913 - 483 páginas
...them, how does she endeavor to fix them, or to make them more or less stable? " 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 is the philosophy which was propounded...
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General Botany for Universities and Colleges

Hiram Delos Densmore - 1920 - 459 páginas
...over others, would have the best chance of surviving and 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." The ideas concerning selection through...
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Southern Methodist Review

1887
...tendency." (" Origin of Species," page 62: American edition, 1880.) Again he says : " This preservation of individual differences and variations, and the destruction of those which are injurious, I have called natural selection, or the survival of the fittest." (Ibid., page 63.) No doubt but that...
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Popular Science Monthly and World's Advance, Volumen67

1905
...even if some of them are not. Darwin defined natural selection as follows : ' This preservation of favorable individual differences and variations, and the destruction of those which are injurious, I have called natural selection, or the sur*I do not, of course, mean to imply that any one of the...
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The Fine Art of Repetition: Essays in the Philosophy of Music

Peter Kivy - 1993 - 373 páginas
...the individuals who possess them will be less likely to reproduce. "This preservation of favourable individual differences and variations, and the destruction of those which are injurious," says Darwin, "I have called Natural Selection, or the Survival of the Fittest,"2 But with regard to...
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Crossover: Concepts and Applications in Genetics, Evolution, and Breeding ...

Jack E. Staub, Karl Braunschweig, Claire Rinehart - 1994 - 359 páginas
...form". He goes on to define natural selection or the survival of the fittest as the "... preservation of favorable individual differences and variations, and the destruction of those which are injurious, ...." Thus two ideas central to Darwinian thought are survival and fitness. Natural selection implies...
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Brute Science: Dilemmas of Animal Experimentation

Hugh LaFollette, Niall Shanks - 1996 - 286 páginas
...1972:39). Darwin claims this mechanism is the primary engine of evolution. 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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Geopolitics and the Green Revolution: Wheat, Genes, and the Cold War

John H. Perkins - 1997 - 352 páginas
...Bailey moved directly to link Darwinian evolution with applied plant breeding: "This preservation of favorable individual differences and variations, and the destruction of those which are injurious, I have called Natural Selection of the Survival of the Fittest." This is the philosophy which was propounded...
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Human Life and the Natural World: Readings in the History of Western Philosophy

Owen Goldin, Patricia Kilroe - 1997 - 245 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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