Nomogenesis: Or, Evolution Determined by LawM.I.T. Press, 1969 - Всего страниц: 477 |
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Стр. 52
... result showed conclusively that the changes in ques- tion had not occurred in the gene for the hooded pattern , but in the residual heredity . Other cases of apparent gradual change in unit - characters under the action of selection may ...
... result showed conclusively that the changes in ques- tion had not occurred in the gene for the hooded pattern , but in the residual heredity . Other cases of apparent gradual change in unit - characters under the action of selection may ...
Стр. 157
... result of development in a determined direction . In opposition to the commonly accepted view we maintain ( and we hope to be able to prove it ) ( 1 ) that very often differences are not the consequence of divergence of char- acters ...
... result of development in a determined direction . In opposition to the commonly accepted view we maintain ( and we hope to be able to prove it ) ( 1 ) that very often differences are not the consequence of divergence of char- acters ...
Стр. 232
... result of the descent of birds from dinosaurs , and if the principle of reversible evolution be accepted on the widest scale , it would then be necessary to assume that the tarso - metatarsus in all dino- saurs was constructed after the ...
... result of the descent of birds from dinosaurs , and if the principle of reversible evolution be accepted on the widest scale , it would then be necessary to assume that the tarso - metatarsus in all dino- saurs was constructed after the ...
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