Nomogenesis: Or, Evolution Determined by LawM.I.T. Press, 1969 - Всего страниц: 477 |
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Стр. 84
... true gymnosperms , they possess the 1 We may note that Arber and Parkin ( 1907 ) ( who have advanced the theory of the origin of the flower from the anthostrobilus of the Bennetti- tales ) and Kuznetzov ( 1904 , p . 550 ) , do not ...
... true gymnosperms , they possess the 1 We may note that Arber and Parkin ( 1907 ) ( who have advanced the theory of the origin of the flower from the anthostrobilus of the Bennetti- tales ) and Kuznetzov ( 1904 , p . 550 ) , do not ...
Стр. 166
... true Neuroptera , such as Stilbopteryx ( belonging to a family allied to the ant- lions ) not only in external appearance , but in habits . The Mecoptera ( Panorpatae ) , or scorpion - flies , display a resemblance to Diptera ( Bittacus ...
... true Neuroptera , such as Stilbopteryx ( belonging to a family allied to the ant- lions ) not only in external appearance , but in habits . The Mecoptera ( Panorpatae ) , or scorpion - flies , display a resemblance to Diptera ( Bittacus ...
Стр. 297
... true of beetles , flies ( such as Anatalanta in Kerguelen ) and birds . In New Zealand there are a number of carinate birds that have nearly lost the keel on the sternum , and thereby , as it were , approach the ratite birds ; thus in ...
... true of beetles , flies ( such as Anatalanta in Kerguelen ) and birds . In New Zealand there are a number of carinate birds that have nearly lost the keel on the sternum , and thereby , as it were , approach the ratite birds ; thus in ...
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