Nomogenesis: Or, Evolution Determined by LawM.I.T. Press, 1969 - Всего страниц: 477 |
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Стр. 176
... dinosaurs exhibit some of the most typical characters of birds . In many the bones were pneumatic , although none of the saurians could fly ; in the Ornithischia , dinosaurs with the pelvis of a bird , there is not the slightest indica ...
... dinosaurs exhibit some of the most typical characters of birds . In many the bones were pneumatic , although none of the saurians could fly ; in the Ornithischia , dinosaurs with the pelvis of a bird , there is not the slightest indica ...
Стр. 181
... dinosaurs and birds to be explained ? The most natural answer would seem to be , that the dinosaurs are the ancestors of birds . Such a solution was formerly actually arrived at by some zoologists and palaeontologists , with the ...
... dinosaurs and birds to be explained ? The most natural answer would seem to be , that the dinosaurs are the ancestors of birds . Such a solution was formerly actually arrived at by some zoologists and palaeontologists , with the ...
Стр. 182
... dinosaurs the quadrate is fixed ( i.e. the skull is monymostylic ) , while it is free in birds ( i.e. it is streptostylic ) . This circumstance alone is sufficient to suggest that we must seek for the ancestors of birds among forms with ...
... dinosaurs the quadrate is fixed ( i.e. the skull is monymostylic ) , while it is free in birds ( i.e. it is streptostylic ) . This circumstance alone is sufficient to suggest that we must seek for the ancestors of birds among forms with ...
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