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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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Essentials of Genetics

William S. Klug, Michael R. Cummings - 1993 - 513 páginas
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The Cultivation of Hatred: The Bourgeois Experience: Victoria to Freud (The ...

Peter Gay - 1994 - 704 páginas
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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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Shadows of Future: H. G. Wells, Science Fiction, and Prophecy

Patrick Parrinder - 1995 - 184 páginas
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Shadows of the Future: H.G. Wells, Science Fiction and Prophecy

Patrick Parrinder - 1995 - 170 páginas
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Human Nature: A Critical Reader

Laura L. Betzig, Research in the Department of Anthropology Laura Betzig - 1997 - 489 páginas
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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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John Fowles and Nature: Fourteen Perspectives on Landscape

James R. Aubrey - 1999 - 272 páginas
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Visionary Perspectives on the Good Life

William J. Pardue - 1999 - 246 páginas
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