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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 xxi
por Charles Darwin - 1889
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Taxation and the Distribution of Wealth: Studies in the Economic, Ethical ...

Frédéric Mathews - 1914 - 680 páginas
...Darwin,2 "than can possibly survive; and as, consequently, there is a frequently recurring struggle for existence, it follows that any being, if it vary however slightly in any manner 1 Evolution and Ethics, pp. 53-54. < Tht Orifin nf Sprites, VoL I., p. 5, Progress and Politics Pt....
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Evolution Or Christianity, God Or Darwin?

William Marion Goldsmith - 1924 - 144 páginas
...existence (2, struggle for existence) it follows that any being, if it vary (3, individual variation) however slightly in any manner profitable to itself,...the complex and sometimes varying conditions of life (4, environmental condition) will have a better chance of surviving, (5, survival of the fittest) and...
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The Evolution of Psychological Theory: A CRITICAL HISTORY O

Richard Lowry - 1982 - 237 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...principle of inheritance, any selected variety will [then] tend to propagate its new and modified form. Charles Darwin, Origin of Species (1859) These...
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The Cultivation of Hatred

Peter Gay - 1993 - 685 páginas
...possibly survive," he had asserted, "and as, consequently, there is a frequently recurring struggle for existence, it follows that any being, if it vary...a better chance of surviving and thus be naturally selected"2* Social theorists in search of an authoritative foundation for their ideas thought they...
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Crossover: Concepts and Applications in Genetics, Evolution, and Breeding ...

Jack E. Staub, Karl Braunschweig, Claire Rinehart - 1994 - 359 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 somewhat varying conditions of life, will have a better chance of surviving, and thus be naturally...
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Lu Xun and Evolution

James Reeve Pusey - 1998 - 249 páginas
...make the fit fit. It works no change on any being. Darwin wrote, in the introduction to The Origin that "any being, if it vary however slightly in any...better chance of surviving, and thus be naturally selected."106 But no being does vary genetically, even slightly, in its lifetime. No being adapts itself...
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Christianity and the Images of Science

Granville C. Henry - 1998 - 248 páginas
...existence, it follows that any being, if it vary . . . slightly in any manner profitable to itself, will have a better chance of surviving, and thus be naturally selected. 5 A single example: Some mosquitoes give birth to thousands of offspring. Most die when sprayed with...
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Perspectives in Ethology: Evolution, Culture, and Behavior

Nicholas S. Thompson, François Tonneau - 2001 - 318 páginas
...are born than can possibly survive: and as. consequently. there is a frequently occurring Struggle for Existence. it follows that any being. if it vary...chance of surviving. and thus be naturally selected" (1859. p. 5). Darwin made it plain. in this initial statement and in all his subsequent writings. that...
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Functional Neurobiology of Aging

Patrick R. Hof, Charles V. Mobbs - 2001 - 960 páginas
...substantially increasing burden of those disorders? Charles Darwin (1859) deduced that in the "struggle for existence, it follows that any being, if it vary...varying conditions of life, will have a better chance of survival." Accordingly, survival is not random, and competition for survival will result in "survival...
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Idealization X: The Richness of Idealization, Volumen10

Izabella Nowakowa, Leszek Nowak - 2000 - 519 páginas
...recurring struggle for existence. it follows that any heing. if it vary however slightly in any mansier profitable to itself. under the complex and sometimes varying conditions of life. will have a hetter chance of surviving. and thus he naturally selected. From the strong principle of inheritance....
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