 | Hiram Delos Densmore - 1920 - 486 páginas
...occur, can we doubt (remembering that many more individuals are born than can possibly survive), that individuals having any advantage, however slight,...others, would have the best chance of surviving and procreating their kind. This preservation of favorable individual differences and variations, and the... | |
 | 1921 - 560 páginas
...occur, can we doubt (remembering that many more individuals are born than can possibly survive) that individuals having any advantage, however slight,...others, would have the best chance of surviving and of procreating their kind ? On the other hand, we may feel sure that any variation in the least degree... | |
 | Sir William Cecil Dampier Dampier, Margaret Dampier Dampier - 1924 - 312 páginas
...occur, can we doubt (remembering that many more individuals are born than can possibly survive) that individuals having any advantage, however slight,...others, would have the best chance of surviving and of procreating their kind? On the other hand, we may feel sure that any variation in the least degree... | |
 | Ira Woods Howerth - 1926 - 442 páginas
...occur, can we doubt (remembering that many more individuals are born than can possibly survive) that individuals having any advantage, however slight,...others, would have the best chance of surviving and of procreating their kind? On the other hand, we may feel sure that any variation in the least degree... | |
 | William S. Knickerbocker - 1927 - 410 páginas
...occur, can we doubt (remembering that many more individuals are born than can possibly survive) that individuals having any advantage, however slight,...others, would have the best chance of surviving and of procreating their kind? On the other hand, we may feel sure that any variation in the least degree... | |
 | 1906 - 1100 páginas
...Fleischmann says, is purely hypothetical. In the Origin of Species, &c., Darwin adds the following : ' On the other hand, we may feel sure that any variation in the least degree injurious would be rigidly destroyed. This preservation of favourable variations and the rejection of injurious... | |
 | Ernst Mayr - 1982 - 996 páginas
...occur, can we doubt (remembering that many more individuals are born than can possibly survive) that individuals having any advantage, however slight,...others, would have the best chance of surviving and procreating their kind?" (pp. 8081). This leads him to the following definition. "This preservation... | |
 | John A. Endler - 1986 - 358 páginas
...occur, can we doubt (remembering that many more individuals are born than can possibly survive) that individuals having any advantage, however slight,...others, would have the best chance of surviving and procreating their kind:' On the other hand, we may feel sure that any variation in the least degree... | |
 | Royal Society of Canada, Canadian Institute for Advanced Research - 1987 - 324 páginas
...all species. His answer, in his own words, was: If such [variations] do occur, can we doubt ... that individuals having any advantage, however slight,...others, would have the best chance of surviving and of procreating their kind? On the other hand, we may feel sure that any variation in the least degree... | |
 | Garrett Hardin - 1995 - 350 páginas
...occur, can we doubt (remembering that many more individuals are born than can possibly survive) that individuals having any advantage, however slight, over others, would have the best chance of survival and of procreating their kind? On the other hand, we may feel sure that any variation in the... | |
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If such do occur, can we doubt (remembering that many more individuals are born than can possibly survive) that individuals having any advantage, however slight, over others, would have the best chance of surviving and of procreating their kind? 
