Nomogenesis: Or, Evolution Determined by LawM.I.T. Press, 1969 - Всего страниц: 477 |
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Стр. 111
... course of evolution seems to be predetermined . If in the young ammonites characters arise that will subsequently be manifested in more recent deposits in adult individuals of other , phylogenetically younger forms , there can be no ...
... course of evolution seems to be predetermined . If in the young ammonites characters arise that will subsequently be manifested in more recent deposits in adult individuals of other , phylogenetically younger forms , there can be no ...
Стр. 151
... course are subject to annihilation through natural selection . The latter thus exerts an influence upon the course of evolution , and orthogenesis is merely the hand- maiden of natural selection ( p . 71 ) . To this the following ...
... course are subject to annihilation through natural selection . The latter thus exerts an influence upon the course of evolution , and orthogenesis is merely the hand- maiden of natural selection ( p . 71 ) . To this the following ...
Стр. 331
... course , explained by the effects of selection on chance variations . But selection plays no part in this matter , as will clearly appear from the following illustrations . The turbot ( Bothus , or Rhombus , maximus ) , a flat - fish ...
... course , explained by the effects of selection on chance variations . But selection plays no part in this matter , as will clearly appear from the following illustrations . The turbot ( Bothus , or Rhombus , maximus ) , a flat - fish ...
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