Search Images Maps Play YouTube News Gmail Drive More »
Sign in
Libros Libros
" 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
Vista completa - Acerca de este libro

Evolutionary Theory in the Social Sciences, Volumen4

William M. Dugger, Howard J. Sherman - 2003 - 368 páginas
...are born than can possibly survive; and as, consequently, there is a frequently recurrent struggle for existence, it follows that any being, if it vary...chance of surviving, and thus be naturally selected [Darwin 1981, 21]. 5 And as Loren Eiseley [1961, 348] comments, "Darwin incorporated into the Origin...
Vista previa limitada - Acerca de este libro

Evolutionary Psychology: Alternative Approaches

Steven J. Scher, Frederick Rauscher - 2003 - 265 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...chance of surviving, and thus be naturally selected. Darwin was, in effect, saying that how an organism fares in its economic life, to the extent that its...
Vista previa limitada - Acerca de este libro

Asking about Life

Allan J. Tobin, Jennie Dusheck - 2005 - 879 páginas
...survive, and, consequently, there is a constant struggle for existence. "It follows," Darwin later wrote, "that any being, if it vary however slightly in any...chance of surviving, and thus be naturally selected." His theory of evolution through natural selection was beginning to take shape. Wallace Scoops Darwin...
Vista previa limitada - Acerca de este libro

Bioethical and Evolutionary Approaches to Medicine and the Law

W. Noel Keyes - 2007 - 1174 páginas
...new animals under the process Darwin called "Mutual Selection" by slowly undergoing "many mutations": Any being, if it vary however slightly in any manner...chance of surviving, and thus be naturally selected 69. US NEWS & WORLD REPORT, July 27, 2002, at 48. 70. EVOLUTION, THE TRIUMPH OF AN IDEA 336 (2001)....
Vista previa limitada - Acerca de este libro

Outcasts and Heretics: Profiles in Independent Thought and Courage

Donald Sharpes - 2007 - 352 páginas
...varies ever so slightly to advance itself under the complex and sometimes varying conditions of life and will have a better chance of surviving, and thus be naturally selected, as will its descendants. From genetic inheritance, any organism will tend to propagate its modified...
Vista previa limitada - Acerca de este libro

The Natural Selection

Ona Russell - 2008 - 307 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...chance of surviving, and thus be naturally selected.' "You might ask, why this passage? Well, we all know Professor Manhoff held Darwin's work in high esteem....
Vista previa limitada - Acerca de este libro

Inevitable Aging?: Contributions to Evolutionary-Demographic Theory

Annette Baudisch - 2008 - 170 páginas
...because, on an evolutionary time scale, any small deviation from r = 0 will have strong consequences: "...any being, if it vary however slightly in any...chance of surviving, and thus be naturally selected." [48, p. 5]. Many species have survived in essentially unchanged form for many generations: their life...
Vista previa limitada - Acerca de este libro

Fraser's Magazine, Volumen62

James Anthony Froude, John Tulloch - 1860
...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,'...
Vista completa - Acerca de este libro

Wildlife Issues in a Changing World

1998 - 520 páginas
...are born that 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 varying conditions of life, will have a better chance of surviving, and thus be naturally selected....
Vista previa limitada - Acerca de este libro

Evolution

Discovery
...frequently recurring struggle for existence, it follows that any being, if it vary in any manner Hfc profitable to itself, under the complex and sometimes...varying conditions of life, will have a better chance ofsun'ival and thus be naturally selected. From the strong principle of inheritance, any selected variety...
Vista previa limitada - Acerca de este libro




  1. Mi biblioteca
  2. Ayuda
  3. Búsqueda avanzada de libros
  4. Descargar EPUB
  5. Descargar PDF