Nomogenesis: Or, Evolution Determined by LawM.I.T. Press, 1969 - Всего страниц: 477 |
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Стр. 120
... says Bower in his " Origin of a Land Flora " ( 1908 ) , most probably are terminal branches of development ; the same opinion is shared by Meyer ( 1916 , pp . 36-37 ) . The ferns , says Gothan , are much older than the mosses ; the ...
... says Bower in his " Origin of a Land Flora " ( 1908 ) , most probably are terminal branches of development ; the same opinion is shared by Meyer ( 1916 , pp . 36-37 ) . The ferns , says Gothan , are much older than the mosses ; the ...
Стр. 144
... says , 66 as if evolution , led by some blind impulse , continues its course in certain phyla , according to a once acquired direction , ignoring all demands and being unable to lay out new paths . " De Vries further notes that the ...
... says , 66 as if evolution , led by some blind impulse , continues its course in certain phyla , according to a once acquired direction , ignoring all demands and being unable to lay out new paths . " De Vries further notes that the ...
Стр. 346
... says , they would be regarded by everyone as species of one genus . The common source from which all the three above - mentioned genera must have been produced were rails of a type which can be imagined to have consisted of the combined ...
... says , they would be regarded by everyone as species of one genus . The common source from which all the three above - mentioned genera must have been produced were rails of a type which can be imagined to have consisted of the combined ...
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