Darwinism Stated by Darwin Himself: Characteristic Passages from the Writings of Charles DarwinD. Appleton, 1884 - Всего страниц: 351 |
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Стр. 9
... shown that pollen is often carried by insects to a considerable distance from plant to plant . Therefore , one of the parents or ancestors of our two plants of Digitalis may have been crossed by a dis- tant plant growing under somewhat ...
... shown that pollen is often carried by insects to a considerable distance from plant to plant . Therefore , one of the parents or ancestors of our two plants of Digitalis may have been crossed by a dis- tant plant growing under somewhat ...
Стр. 13
... shown in the present volume that the offspring from the union of two distinct individuals , especially if their progenitors have been subjected to very different conditions , have an immense advantage in height , weight , constitutional ...
... shown in the present volume that the offspring from the union of two distinct individuals , especially if their progenitors have been subjected to very different conditions , have an immense advantage in height , weight , constitutional ...
Стр. 19
... shown that the Or- of Orchids , chidea exhibit an almost endless diversity of page 282 . beautiful adaptations . When this or that part has been spoken of as adapted for some special purpose , it must not be supposed that it was ...
... shown that the Or- of Orchids , chidea exhibit an almost endless diversity of page 282 . beautiful adaptations . When this or that part has been spoken of as adapted for some special purpose , it must not be supposed that it was ...
Стр. 29
... shown that the same degree of curvature in a plant may be induced in the course of an hour by several interrupt- ed illuminations lasting altogether for twenty minutes as by a continuous illumination of sixty minutes . We be- lieve that ...
... shown that the same degree of curvature in a plant may be induced in the course of an hour by several interrupt- ed illuminations lasting altogether for twenty minutes as by a continuous illumination of sixty minutes . We be- lieve that ...
Стр. 35
... shown that some other plants can absorb ammonia by their glandular hairs ; and these will profit by that brought to them by the rain . There is a second class of plants which , as we have just seen , can not digest , but absorb , the ...
... shown that some other plants can absorb ammonia by their glandular hairs ; and these will profit by that brought to them by the rain . There is a second class of plants which , as we have just seen , can not digest , but absorb , the ...
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Darwinism Stated by Darwin Himself: Characteristic Passages from the ... Charles Darwin Полный просмотр - 1884 |
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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