Nomogenesis: Or, Evolution Determined by LawM.I.T. Press, 1969 - Всего страниц: 477 |
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Стр. 194
... mammals , just as dinosaurs do to birds ( for which , see above ) . From the very first they seem to follow the path which is destined to be traversed by mammals . Of all groups of Theromorpha the one most closely allied to mammals is ...
... mammals , just as dinosaurs do to birds ( for which , see above ) . From the very first they seem to follow the path which is destined to be traversed by mammals . Of all groups of Theromorpha the one most closely allied to mammals is ...
Стр. 195
... mammals . Osborn ( 1898 , pp . 331-332 ) enumerates about fifteen characters common to theriodonts and primitive Eocene mammals , partly typical of Monotremata ( to characters common to theriodonts and monotremes belong the form of ...
... mammals . Osborn ( 1898 , pp . 331-332 ) enumerates about fifteen characters common to theriodonts and primitive Eocene mammals , partly typical of Monotremata ( to characters common to theriodonts and monotremes belong the form of ...
Стр. 196
... mammals . Gaupp ( 1912 , p . 239 ) holds that mammals have been derived from reptiles , akin to Rhynchocephalia ( Hatteria ) and Sauria ( lizards and snakes ) . Abel ( 1913 , p . 423 ) derives mammals from Cotylo- sauria , denying their ...
... mammals . Gaupp ( 1912 , p . 239 ) holds that mammals have been derived from reptiles , akin to Rhynchocephalia ( Hatteria ) and Sauria ( lizards and snakes ) . Abel ( 1913 , p . 423 ) derives mammals from Cotylo- sauria , denying their ...
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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Часто встречающиеся слова и выражения
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