Nomogenesis: Or, Evolution Determined by LawM.I.T. Press, 1969 - Всего страниц: 477 |
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Стр. 40
... embryo of the common newt which gives rise to the central nervous system to that part of the embryo of the crested newt which will give rise to the epidermis . And , conversely , a section of the future epidermis of the embryo of the ...
... embryo of the common newt which gives rise to the central nervous system to that part of the embryo of the crested newt which will give rise to the epidermis . And , conversely , a section of the future epidermis of the embryo of the ...
Стр. 77
... embryo of the lizard Anguis the brain in the region of hippocampus very much resembles the corresponding region in the embryo of Ornithorhynchus : in both a median thickening , eminentia medialis , occurs , from which the hippocampus ...
... embryo of the lizard Anguis the brain in the region of hippocampus very much resembles the corresponding region in the embryo of Ornithorhynchus : in both a median thickening , eminentia medialis , occurs , from which the hippocampus ...
Стр. 217
... embryo with the parent . In the species named , the embryo is developed in the uterus ; the ectoderm of the embryo adjoining the uterus , conjointly with the wall thereof , gives origin to the placenta , while part of the body of the ...
... embryo with the parent . In the species named , the embryo is developed in the uterus ; the ectoderm of the embryo adjoining the uterus , conjointly with the wall thereof , gives origin to the placenta , while part of the body of 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