Darwinism Stated by Darwin Himself: Characteristic Passages from the Writings of Charles DarwinD. Appleton, 1890 - Всего страниц: 351 |
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... important conclusions which may be deduced from my observations : 1 . That the advantages of cross - fertilization do not follow from some mysterious virtue in the mere union of two distinct individuals , but from such individuals ...
... important conclusions which may be deduced from my observations : 1 . That the advantages of cross - fertilization do not follow from some mysterious virtue in the mere union of two distinct individuals , but from such individuals ...
Стр. 12
... important result may be deduced from my observations . Eggs and seeds are highly ser- viceable as a means of dissemination , but we now know that fertile eggs can be produced without the aid of the male . There are also many other ...
... important result may be deduced from my observations . Eggs and seeds are highly ser- viceable as a means of dissemination , but we now know that fertile eggs can be produced without the aid of the male . There are also many other ...
Стр. 18
... importance for the well - being of the plant . Can we feel satisfied by saying that each orchid was created , exactly as we now see it , on a certain " ideal type " ; that the omnipotent Creator , having fixed on one plan for the whole ...
... importance for the well - being of the plant . Can we feel satisfied by saying that each orchid was created , exactly as we now see it , on a certain " ideal type " ; that the omnipotent Creator , having fixed on one plan for the whole ...
Стр. 19
... importance compared with their proper function - converted other organs into mere purposeless rudiments , and arranged all as if they had to stand separate , and then made them cohere ? Is it not a more simple and intelligible view that ...
... importance compared with their proper function - converted other organs into mere purposeless rudiments , and arranged all as if they had to stand separate , and then made them cohere ? Is it not a more simple and intelligible view that ...
Стр. 26
... on the same plant are crowded together , as if for mutual protection . We doubted at first whether radiation would affect in any important manner objects so thin as are many cotyle-. 26 DARWINISM STATED BY DARWIN HIMSELF .
... on the same plant are crowded together , as if for mutual protection . We doubted at first whether radiation would affect in any important manner objects so thin as are many cotyle-. 26 DARWINISM STATED BY DARWIN HIMSELF .
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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