 | John Alexander Moore - 1993 - 548 페이지
...many individuals of any species which are periodically born, but a small number can survive. I have called this principle, by which each slight variation,...selection. We have seen that man by selection can produce great results, and can adapt organic beings to his own uses, through the accumulation of slight... | |
 | A. S. William, William Antony S. Sarjeant - 1993 - 144 페이지
...generates the fittest and most adaptive (Young. 1985: Hsa. 19861. Darwin (18591 wrote: We have seen thaI man by selection can certainly produce great results,...can adapt organic beings to his own uses through the aceumulation of slight but useful variations, given to him by the hand of nature. But Natural Selection,... | |
 | Marcello Pera - 1994 - 272 페이지
...many individuals of any species which are periodically born, but a small number can survive. I have called this principle, by which each slight variation,...useful is preserved, by the term of Natural Selection. "^ Thus, taking Darwin's "owing" in a deductive sense, the third step is: and the fourth and last step,... | |
 | Ronald L. Numbers - 1995 - 432 페이지
...many individuals of any species which are periodically born, but a small number can survive. I have called this principle by which each slight variation, if useful, is preserved, by the term, "natural selection." Mr. Darwin adds that his meaning would be more accurately expressed by a phrase... | |
 | Anna-Teresa Tymieniecka - 1996 - 618 페이지
...many individuals of any species which are periodically born, but a small number can survive. I have called this principle, by which each slight variation,...Natural Selection, in order to mark its relation to the power of selection. We have seen that man by selection can certainly produce great results . .... | |
 | J. William Schopf - 1999 - 182 페이지
...guise, as did Charles Darwin in defining his new mechanism of evolutionary causality in 1859: "I have called this principle, by which each slight variation, if useful, is preserved, by the term Natural Selection." Natural selection is an immensely powerful yet beautifully simple theory that has... | |
 | Joseph Giovannoli - 2000 - 391 페이지
...many individuals of any species which are periodically born, but a small number can survive. I have called this principle, by which each slight variation,...order to mark its relation to man's power of selection [selective breeding]. We have seen that man by selection can certainly produce great results, and can... | |
 | David L. Sills, Robert King Merton - 2000 - 466 페이지
...the many individuals of any species who are periodically born, but a small number can survive. 1 have called this principle, by which each slight variation,...to mark its relation to man's power of selection. (But the expression often used by Mr. Herbert Spencer of the Survival of the Fittest is more accurate,... | |
 | Samuel Anthony Barnett - 2000 - 230 페이지
...they explained adaptedness by a concept which does not require conscious design. Darwin wrote: 'I have called this principle, by which each slight variation,...useful, is preserved, by the term of Natural Selection.' Darwinism therefore seemed to replace the theists' 'first cause' with an amoral, impersonal process... | |
 | Jon Fripp, Michael Fripp, Deborah Fripp - 2000 - 262 페이지
...vanishingly small amount of energy. — Edward O.Wilson In The Diversity of Life, 1992 Evolution I have called this principle, by which each slight variation, if useful, is preserved, by the term Natural Selection. — Charles Robert Darwin In The Origin of Species, 1859 Early ethologists often... | |
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I have called this principle, by which each slight variation, if useful, is preserved, by the term Natural Selection, in order to mark its relation to man's power of selection. 
