 | 1983 - 740 páginas
[ Lo sentimos, el contenido de esta página está restringido. ] | |
 | Ray Billington - 1988 - 318 páginas
[ Lo sentimos, el contenido de esta página está restringido. ] | |
 | Leonard Mustazza - 1990 - 232 páginas
[ Lo sentimos, el contenido de esta página está restringido. ] | |
 | David Miller - 1990 - 232 páginas
[ Lo sentimos, el contenido de esta página está restringido. ] | |
 | Robert H. Winthrop - 1991 - 376 páginas
[ Lo sentimos, el contenido de esta página está restringido. ] | |
 | Peter Kivy - 1993 - 388 páginas
...the individuals who possess them will be less likely to reproduce. "This preservation of favourable individual differences and variations, and the destruction of those which are injurious," says Darwin, "I have called Natural Selection, or the Survival of the Fittest,"2 But with regard to... | |
 | Jack E. Staub - 1994 - 390 páginas
...form". He goes on to define natural selection or the survival of the fittest as the "... preservation of favorable individual differences and variations, and the destruction of those which are injurious, ...." Thus two ideas central to Darwinian thought are survival and fitness. Natural selection implies... | |
 | Hugh LaFollette, Niall Shanks - 1996 - 300 páginas
...1972:39). Darwin claims this mechanism is the primary engine of evolution. This preservation of favourable individual differences and variations, and the destruction of those which are injurious, I have called Natural Selection, or the Survival of the Fittest. Variations neither useful nor injurious... | |
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This preservation of favourable individual differences and variations, and the destruction of those which are injurious, I have called Natural Selection, or the Survival of the Fittest. 
