Nomogenesis: Or, Evolution Determined by LawM.I.T. Press, 1969 - Всего страниц: 477 |
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Стр. 171
... instance , from forms similar to Eusthenopteron , a fish of the family of Rhizodontidae , from the Upper Devonian of Canada . The skeletal elements supporting the ventral fins of Eusthenopteron present a wonderful likeness to what we ...
... instance , from forms similar to Eusthenopteron , a fish of the family of Rhizodontidae , from the Upper Devonian of Canada . The skeletal elements supporting the ventral fins of Eusthenopteron present a wonderful likeness to what we ...
Стр. 176
... instance , in Compsognathus and Coelurus ) , which progressed by leaping on their hind- limbs , not only the bones of the extremities , but even the vertebrae possessed internal cavities . In the Thero- poda the bones of the extremities ...
... instance , in Compsognathus and Coelurus ) , which progressed by leaping on their hind- limbs , not only the bones of the extremities , but even the vertebrae possessed internal cavities . In the Thero- poda the bones of the extremities ...
Стр. 206
... instance , the pond - weed Potamogeton possesses a tetramerous flower . The anatomical structure of the stem typical of mono- cotyledons ( the closed vascular bundles without cambium scattered irregularly among the tissues ) occurs in ...
... instance , the pond - weed Potamogeton possesses a tetramerous flower . The anatomical structure of the stem typical of mono- cotyledons ( the closed vascular bundles without cambium scattered irregularly among the tissues ) occurs 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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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