Darwinism Stated by Darwin Himself: Characteristic Passages from the Writings of Charles DarwinD. Appleton, 1890 - Всего страниц: 351 |
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Стр. 17
... adapted to act on one another in a particular manner , so that any other kind of union is inefficient , like that between distinct species . Another and still more remark- able incidental result is that the seedlings from an ille ...
... adapted to act on one another in a particular manner , so that any other kind of union is inefficient , like that between distinct species . Another and still more remark- able incidental result is that the seedlings from an ille ...
Стр. 19
... adapted for some special purpose , it must not be supposed that it was originally always formed for this sole purpose . The regular course of events seems to be , that a part which originally served for one pur- pose becomes adapted by ...
... adapted for some special purpose , it must not be supposed that it was originally always formed for this sole purpose . The regular course of events seems to be , that a part which originally served for one pur- pose becomes adapted by ...
Стр. 20
... adapted to free the pollen - masses from their anther - cases ; but , by a further slight modification , the elasticity of the pedicel becomes specially adapted to shoot out the pollinium with considerable force , so as to strike the ...
... adapted to free the pollen - masses from their anther - cases ; but , by a further slight modification , the elasticity of the pedicel becomes specially adapted to shoot out the pollinium with considerable force , so as to strike the ...
Стр. 22
... adapted structures in the several parts of the flower for the same general purpose . This view affords , I believe , the key which partly solves the prob- lem of the vast diversity of structure adapted for closely analogous ends in many ...
... adapted structures in the several parts of the flower for the same general purpose . This view affords , I believe , the key which partly solves the prob- lem of the vast diversity of structure adapted for closely analogous ends in many ...
Стр. 59
... adapted he is to draw heavy weights , and how unlike in appearance to any allied wild animal . The English race - horse is known to be derived from the commingled blood of Arabs , Turks , and Barbs ; but selec- tion , which was carried ...
... adapted he is to draw heavy weights , and how unlike in appearance to any allied wild animal . The English race - horse is known to be derived from the commingled blood of Arabs , Turks , and Barbs ; but selec- tion , which was carried ...
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Darwinism stated by Darwin himself: Characteristic passages from the ... Charles Darwin Ограниченный просмотр - 2023 |
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