Nomogenesis: Or, Evolution Determined by LawM.I.T. Press, 1969 - Всего страниц: 477 |
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Стр. 45
... individuals , eggs or seeds by floods , volcanic eruptions and tempests , and wholesale consumption by the whale of millions of copepods at one gulp , etc. 2. Individual selective extermination due to an imperfect adaptiveness on the ...
... individuals , eggs or seeds by floods , volcanic eruptions and tempests , and wholesale consumption by the whale of millions of copepods at one gulp , etc. 2. Individual selective extermination due to an imperfect adaptiveness on the ...
Стр. 372
... individuals . Thus if a useful character or contrivance is to have any chance of being preserved , it should be simultaneously manifested in a vast number of individuals ; such individuals would be the most resistant to unfavourable ...
... individuals . Thus if a useful character or contrivance is to have any chance of being preserved , it should be simultaneously manifested in a vast number of individuals ; such individuals would be the most resistant to unfavourable ...
Стр. 378
... individuals of Oenothera lamarckiana , mutations were manifested in 834 , or 1 % , of the individuals examined , a most insignificant quantity . Seven forms of mutants in all were obtained , and the number of individuals in each never ...
... individuals of Oenothera lamarckiana , mutations were manifested in 834 , or 1 % , of the individuals examined , a most insignificant quantity . Seven forms of mutants in all were obtained , and the number of individuals in each never ...
Содержание
THE STRUGGLE FOR EXISTENCE AND NATURAL | 1 |
Various types of the struggle for existence | 45 |
Is survival a privilege of the bearers of useful | 62 |
Авторские права | |
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Abel accidental according adapted adult allied America ammonites amphibians ancestors angiosperms Animals and Plants appear belonging Bennettitales birds bones butterflies Carinatae chance chap characters colour common complex Craniata Cretaceous Crossopterygii Darwin definite direction derived determined direction dicotyledons dinosaurs Dipnoi dorsal due to convergence embryo evolution exhibit external extinct female fins fishes formation forms Fürbringer genera genus groups gymnosperms hind-limbs independently insects instance Kuznetzov lamarckiana latter living Lotsy lower male mammals manifested means mimicry Monochlamydeae monocotyledons mutations natural selection number of individuals observed occur ontogeny opinion organisation Origin of Species Ornithischia orthogenesis Osborn parallel pectoral peculiar phenomena phylogeny Piperales placenta Placentalia Polycarpicae polyphyletic polyphyletic origin possess primitive produced Pseudosuchia pterosaurs Ratitae referred regarded remarkable reptiles resemblance Russian Saurischia says seeds shell similar skull structure struggle for existence sub-species teeth Teleostomi tendency tetrapods theory tion transformation varieties Vavilov vertebrates Vries wings