Darwinism Stated by Darwin Himself: Characteristic Passages from the Writings of Charles DarwinD. Appleton, 1884 - Всего страниц: 351 |
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Стр. 6
... 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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acquired action admit allied apes appear Asa Gray become believe birds blush body breeds Catarrhine cause characters closely Cloth Darwin degree descended developed distinct species domestic doubt early effects eggs existence expression extinct eyes fact favorable feel females fertilization forms gemmules genera geotropism habit hair HERBERT SPENCER hermaphrodites highly horse Illustrations increase individuals inhabitants inherited insects instance intermediate islands kind labellum lancelet language larvæ less living lower animals males mammals manner ment mental mind modified monkeys movements muscles natural selection naturalists observed offspring organic Origin of Species papillæ parent peculiar period plants pollen possess present principle probably produced Professor progenitors Quadrumana quadrupeds races remarkable resemble rudimentary savages seeds seems seen sexes sexual selection slight South America structure suppose T. H. HUXLEY tend tendency tion transmitted utricle variability variations varieties various vertebræ whole wild worms young