Darwinism Stated by Darwin Himself: Characteristic Passages from the Writings of Charles DarwinD. Appleton, 1890 - Всего страниц: 351 |
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... RESPECT TO ANIMALS AND PLANTS . Inherited Effect of Changed Habits Effects of the Use and Disuse of Parts Vague Origin of our Domestic Animals Descent of the Domestic Pigeon Origin of the Dog . Origin of the Horse Causes of ...
... RESPECT TO ANIMALS AND PLANTS . Inherited Effect of Changed Habits Effects of the Use and Disuse of Parts Vague Origin of our Domestic Animals Descent of the Domestic Pigeon Origin of the Dog . Origin of the Horse Causes of ...
Стр. 4
... respect to the means by which these various movements are effected , there can be little doubt , from the researches of Sachs and H. de Vries , that they are due to unequal growth ; but , from the reasons already assigned , I can not ...
... respect to the means by which these various movements are effected , there can be little doubt , from the researches of Sachs and H. de Vries , that they are due to unequal growth ; but , from the reasons already assigned , I can not ...
Стр. 10
... respects , including their sexual nature . And , secondly , that the advantages of cross- fertilization depend on the sexual elements of the parents having become in some degree differentiated by the ex- posure of their progenitors to ...
... respects , including their sexual nature . And , secondly , that the advantages of cross- fertilization depend on the sexual elements of the parents having become in some degree differentiated by the ex- posure of their progenitors to ...
Стр. 11
... respect to mankind , my son George Page 460 . has endeavored to discover by a statistical in- vestigation whether the marriages of first cousins are at all injurious , although this is a degree of relationship which would not be ...
... respect to mankind , my son George Page 460 . has endeavored to discover by a statistical in- vestigation whether the marriages of first cousins are at all injurious , although this is a degree of relationship which would not be ...
Стр. 16
... respect to the polleniferous bushes , the one marked C did not bear a single fruit during the years 1863 and 1864 , but during 1865 it produced no less than ninety - two fruit , which , however , were very poor . I se- lected one of the ...
... respect to the polleniferous bushes , the one marked C did not bear a single fruit during the years 1863 and 1864 , but during 1865 it produced no less than ninety - two fruit , which , however , were very poor . I se- lected one of the ...
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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