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" Bnt the initial variation on which man works, and without which he can do nothing, is caused by slight changes in the conditions of life, which must often have occurred under nature. "
Charles Darwin's Works: The variation of animals and plants under ... - Página 3
por Charles Darwin - 1896
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The Edinburgh Review: Or Critical Journal, Volumen196

1902 - 642 páginas
...relating to ' The Variation of Animals and ' Plants under Domestication.' In this he wrote : — ' The initial variation on which man works, and without...by slight changes in the conditions of life, which most often have occurred under Nature. Man, therefore, may be said to have been trying an experiment...
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The Variation of Animals and Plants Under Domestication, Volumen1

Charles Darwin - 1875 - 510 páginas
...man selects varying individuals, sows their seeds, and again selects thi-ir varying offspring. But the initial variation on which man works, and without...occurred under nature. Man, therefore, may be said to hrivi- Ijcen trying an experiment on a gigantic scale ; and it is an experiment which nature during...
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Humboldt Library of Popular Science Literature, Volumen2,Temas37-48

1879 - 614 páginas
...to the undeniable force of the argument from analogy stated in a sentence in the introduction: "Man may be said to have been trying an experiment on a...during the long lapse of time, has incessantly tried." But it was still more due to the unexpected use of the vast body of apparently trivial facts and observations...
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Nature, Volumen26

Sir Norman Lockyer - 1882 - 674 páginas
...undeniable force of the argument from analogy stated in a sentence in the introduction : — " Man may be said to have been trying an experiment on a...during the long lapse of time has incessantly tried." But it was still more due to the unexpected use of the vast body of apparently trivial facts and observations...
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Nature, Volumen26

Sir Norman Lockyer - 1882 - 722 páginas
...tbt undeniable force of the argument from analogy stated in a sentence in the introduction: — "Man may be said to have been trying an experiment on a...during the long lapse of time has incessantly tried." But it was still more due to the unexpected use of the vast body of apparently trivial facts and observations...
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Charles Darwin: A Paper Contributed to the Transactions of the Shropshire ...

Edward Woodall - 1884 - 100 páginas
...the undeniable force of the argument from analogy stated in a sentence in the introduction : ' Man may be said to have been trying an experiment on a...during the long lapse of time, has incessantly tried.' Like Moliere's Monsieur Jourdain, who was delighted to find that he had been unwittingly talking prose...
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The Variation of Animals and Plants Under Domestication, Volumen1

Charles Darwin - 1887 - 504 páginas
...man »elects varying individuals, sows their seeds, and again selects their varying offspring. But the initial variation on which man works, and without...he can do nothing, is caused by slight changes in tho conditions of life, which must often have occurred under nature. Man, therefore, may be said to...
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American Gardening, Volumen11

1890 - 838 páginas
...one that grows. Cultivation is but an empiricism suggested by nature. "Man, therefore," says Darwin, "may be said to have been trying an experiment on...during the long lapse of time has incessantly tried." As man's efforts are intenser than nature's, so his labors have given more marked results ; or, to...
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Survival and Reproduction: A New Biological Outlook

Hermann Reinheimer - 1910 - 432 páginas
...the rank of a well-grounded theory. " We are given to understand, as regards domestication, that man "may be said to have been trying an experiment on...during the long lapse of time has incessantly tried." But, as he himself explains on the following page, " We can further understand how it is that domestic...
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Scientific Evidence: Philosophical Theories and Applications

Peter Achinstein - 2005 - 316 páginas
...argument. In the Variation. Darwin begins by describing domestic Bf<?Cu!t1¿ ;K .III "experiment": "Man, therefore, may be said to have been trying an...during the long lapse of time has incessantly tried" (Darwin, 1988, vol. I: 2). The basic idea is that in domestic breeding man has the ability to manipulate...
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