Nomogenesis: Or, Evolution Determined by LawM.I.T. Press, 1969 - Всего страниц: 477 |
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Стр. 90
... primitive characters , the Casua- rinaceae show characters of a superior organisation : both the male and female flowers are clustered together in inflorescences , the posterior locule of the ovary atrophies , of the 2-4 ovules ...
... primitive characters , the Casua- rinaceae show characters of a superior organisation : both the male and female flowers are clustered together in inflorescences , the posterior locule of the ovary atrophies , of the 2-4 ovules ...
Стр. 106
... primitive structure than contemporary man , has other char- acters of a higher organisation besides those of his teeth . In the chimpanzee a groove between the sides of the nose and mouth may be observed on either side of the skull : it ...
... primitive structure than contemporary man , has other char- acters of a higher organisation besides those of his teeth . In the chimpanzee a groove between the sides of the nose and mouth may be observed on either side of the skull : it ...
Стр. 202
... primitive small carinate birds from which the Ratitae sprang , the capacity for flight was displayed only very imperfectly . The incapacity of the Ratitae for flight , therefore , is to a certain extent due to the primitive structure of ...
... primitive small carinate birds from which the Ratitae sprang , the capacity for flight was displayed only very imperfectly . The incapacity of the Ratitae for flight , therefore , is to a certain extent due to the primitive structure of ...
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