Darwinism Stated by Darwin Himself: Characteristic Passages from the Writings of Charles DarwinD. Appleton, 1890 - Всего страниц: 351 |
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Стр. 10
... common to the related parents , and only in- directly on their relationship , in so far as they are apt to resemble each other in all respects , including their sexual nature . And , secondly , that the advantages of cross ...
... common to the related parents , and only in- directly on their relationship , in so far as they are apt to resemble each other in all respects , including their sexual nature . And , secondly , that the advantages of cross ...
Стр. 13
... 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 female ; and the other , which is often ...
... 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 female ; and the other , which is often ...
Стр. 19
... common to descent from some monocotyledonous plant , which , like so many other plants of the same class , possessed fifteen organs , arranged alternately , three within three , in five whorls ; and that the now wonderfully changed ...
... common to descent from some monocotyledonous plant , which , like so many other plants of the same class , possessed fifteen organs , arranged alternately , three within three , in five whorls ; and that the now wonderfully changed ...
Стр. 25
... many plants place themselves at night in widely different positions from what they hold during the day , but with the one point in common , that their upper surfaces. THE MOVEMENTS AND HABITS OF PLANTS . 25 Self-Protection during Sleep.
... many plants place themselves at night in widely different positions from what they hold during the day , but with the one point in common , that their upper surfaces. THE MOVEMENTS AND HABITS OF PLANTS . 25 Self-Protection during Sleep.
Стр. 26
Characteristic Passages from the Writings of Charles Darwin Charles Darwin. the one point in common , that their upper surfaces avoid facing the zenith , often with the additional fact that they come into close contact with opposite ...
Characteristic Passages from the Writings of Charles Darwin Charles Darwin. the one point in common , that their upper surfaces avoid facing the zenith , often with the additional fact that they come into close contact with opposite ...
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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