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" As many more individuals of each species are born than can possibly survive ; and as, consequently, there is a frequently recurring straggle for existence, it follows that any being, if it vary however slightly in any manner profitable to itself, under... "
The Origin of Species by Means of Natural Selection: Or, The Preservation of ... - Página xxv
por Charles Darwin - 1889
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Fraser's Magazine, Volumen62

1860 - 860 páginas
...species are born than can possibly survive, and as consequently there is a frequently-recurring struggle for existence, it follows that any being, if it vary,...chance of surviving, and thus be naturally selected.' We learn in this passage that 'the beings are said by Mr. Darwin to be selected by nature to survive'...
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The Dublin University Magazine: A Literary and Political Journal, Volumen55

1860 - 912 páginas
..."are born than can possibly survive; and as, consequently there is a frequently recurring struggle for existence, it follows that any being, if it vary,...to itself, under the complex and sometimes varying condition» of life, will have a better chance of surviving, and thus be naturally rlfcttd. From the...
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The Christian observer [afterw.] The Christian observer and advocate

1860 - 890 páginas
...are born than can possibly survive, and as, consequently, there is a frequently recurring struggle for existence, it follows that any being, if it vary...manner profitable to itself, under the complex and somctimes varying conditions of life, will have a bctter chance of surviving, and thus be naturally...
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On the Origin of Species by Means of Natural Selection; Or, The Preservation ...

Charles Darwin - 1861 - 470 páginas
...are born than can possibly survive ; and as, consequently, there is a frequently recurring struggle for existence, it follows that any being, if it vary...to itself, under the complex and sometimes varying con ditions of life, will have a better chance of surviving, ano thus be naturally selected. From the...
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The American Quarterly Church Review and Ecclesiastical Register, Volumen17

1866 - 694 páginas
...consequently, there is a frequently recurring struggle for existence, it follows that any being, if it varies, however slightly, in any manner profitable to itself,...thus be naturally selected. From the strong principle ot inheritance, any selected variety will tend to propagate its new and modified form." p. 12. From...
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Journal, Volumen2

Royal Anthropological Institute of Great Britain and Ireland - 1971 - 510 páginas
[ Lo sentimos, el contenido de esta página está restringido. ]
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The Journal of the Anthropological Institute of Great Britain and ..., Volumen2

1873 - 544 páginas
...species are born than can possibly survive ; and as consequently there is a frequently recurring struggle for existence, it follows that any being, if it vary...chance of surviving, and thus be naturally selected." In a few words, Mr. Darwin's theory is the old-fashioned theory of Maltlms pressed to its utmost limits,...
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The Baptist Quarterly, Volumen7

Lucius Edwin Smith, Henry Griggs Weston - 1873 - 522 páginas
...possibly survive; and, as consequently, it follows that any being, if it vary however slightly in a manner profitable to itself under the complex and...varying conditions of life, will have a better chance for surviving, and thus be naturally selected. From the strong principles of inheritance, any selected...
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Creeds of the day; or, Collated opinions of reputable thinkers, 3 ..., Volumen1

Henry Coke - 1883 - 328 páginas
...are born than can possibly survive, and as, consequently, there is a frequently recurring struggle for existence, it follows that any being, if it vary,...to itself, under the complex and sometimes varying 1 Principles of BMogy, § 161. * Hid., § 162. VOL. I. K conditions of life, will have a better chance...
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Knowledge: An Illustrated Magazine of Science, Volumen8

1885 - 518 páginas
...legbones in the domestic duck. Now, Darwin distinctly states, " Any heing if it vary honeter tlightly in any manner profitable to itself under the complex and sometimes varying conditions of existence will have a better chance of surviving and will thus be naturally selected." This, as italicised,...
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