Nomogenesis: Or, Evolution Determined by LawM.I.T. Press, 1969 - Всего страниц: 477 |
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... exhibit a tendency to surround the central nervous system with an internal cartilaginous skeleton , similar to what occurs in vertebrates . Thus in Sepia the cephalic nervous ganglia , the eyes , and the organs of " hearing ...
... exhibit a tendency to surround the central nervous system with an internal cartilaginous skeleton , similar to what occurs in vertebrates . Thus in Sepia the cephalic nervous ganglia , the eyes , and the organs of " hearing ...
Стр. 197
... exhibit similarities to mammals . Thus , in the Permian and Triassic Dicynodon , of the order Anomodontia , the structure of the zygomatic arch , scapula and pelvis is like that of mammals . If we admit that Mammalia were derived from ...
... exhibit similarities to mammals . Thus , in the Permian and Triassic Dicynodon , of the order Anomodontia , the structure of the zygomatic arch , scapula and pelvis is like that of mammals . If we admit that Mammalia were derived from ...
Стр. 273
... exhibit no dif- ferences in the cephalic index as compared with Eastern European children , it being about 83. But the index at once drops to 82 in children born immediately after the arrival of the mother in America and to 79 in the ...
... exhibit no dif- ferences in the cephalic index as compared with Eastern European children , it being about 83. But the index at once drops to 82 in children born immediately after the arrival of the mother in America and to 79 in 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