Darwinism Stated by Darwin Himself: Characteristic Passages from the Writings of Charles DarwinD. Appleton, 1890 - Всего страниц: 351 |
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Стр. 13
... similar or in some degree different is a common phenomenon , it seems probable , as remarked in the last chapter , that the sexes were primordially separate . individual which receives the contents of the other , may be called the ...
... similar or in some degree different is a common phenomenon , it seems probable , as remarked in the last chapter , that the sexes were primordially separate . individual which receives the contents of the other , may be called the ...
Стр. 34
... similar . DIVERSE MEANS BY WHICH PLANTS GAIN THEIR SUB- Insectivor- ous Plants , page 452 . SISTENCE . Ordinary plants of the higher classes pro- cure the requisite inorganic elements from the soil by means of their roots , and absorb ...
... similar . DIVERSE MEANS BY WHICH PLANTS GAIN THEIR SUB- Insectivor- ous Plants , page 452 . SISTENCE . Ordinary plants of the higher classes pro- cure the requisite inorganic elements from the soil by means of their roots , and absorb ...
Стр. 54
... similar habits with the rock - pigeon seems a very rash assumption . More- over , the several above - named domesticated breeds have been transported to all parts of the world , and therefore some of them must have been carried back ...
... similar habits with the rock - pigeon seems a very rash assumption . More- over , the several above - named domesticated breeds have been transported to all parts of the world , and therefore some of them must have been carried back ...
Стр. 59
... similar reduction has oc- curred on the Virginian and Mediterranean islands . It is scarcely possible to doubt that the Page 56 . long - continued selection of qualities service- able to man has been the chief agent in the formation of ...
... similar reduction has oc- curred on the Virginian and Mediterranean islands . It is scarcely possible to doubt that the Page 56 . long - continued selection of qualities service- able to man has been the chief agent in the formation of ...
Стр. 74
... similar process of selection , and by careful train- ing , English race - horses have come to surpass in fleetness and size the parent Arabs , so that the latter , by the regu- lations for the Goodwood races , are favored in the weights ...
... similar process of selection , and by careful train- ing , English race - horses have come to surpass in fleetness and size the parent Arabs , so that the latter , by the regu- lations for the Goodwood races , are favored in the weights ...
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Часто встречающиеся слова и выражения
acid acquired action adapted admit allied animals apes appear become believe birds body breeds cause character climate closely compared cotyledons crossed degree descended developed distinct species disuse domestic doubt early effects eggs embryo existence extinct eyes fact female fertilization forms gemmules genera genus geotropism Glacial habits hairs hermaphrodites highly horses increase individuals inhabitants inherited insects instance instincts islands kinds labellum lancelet larvæ leaves less living lower animals Malaxis paludosa males mammals manner mental millimetre modified monkeys movements muscles natural selection naturalists observed occasionally offspring organs Origin of Species ovules papillæ parent peculiar period pigeon plants points pollen pollinium possess present prey probably produced progenitors Quadrumana quadrupeds races radicles remarkable resemble rudimentary savages seedlings seeds seems sexes sexual elements sexual selection slight structure suppose surface tend tendency tion transmitted utricle variability variations varieties various vertebræ whole wild worms young