Darwinism Stated by Darwin Himself: Characteristic Passages from the Writings of Charles DarwinD. Appleton, 1890 - Всего страниц: 351 |
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Стр. 15
... latter , yielded more than any one of the hermaphrodite bushes . The difference in the amount of fruit produced by the two sets of bushes is all the more striking , as from the sketches above given it is obvious that the stigmas of the ...
... latter , yielded more than any one of the hermaphrodite bushes . The difference in the amount of fruit produced by the two sets of bushes is all the more striking , as from the sketches above given it is obvious that the stigmas of the ...
Стр. 17
... latter plants produce few runners , while the two other forms produce many ; con- sequently , as has been observed both in England and in the United States , the polleniferous forms increase rapidly and tend to supplant the females . We ...
... latter plants produce few runners , while the two other forms produce many ; con- sequently , as has been observed both in England and in the United States , the polleniferous forms increase rapidly and tend to supplant the females . We ...
Стр. 21
... latter parts might not vary at all , or they might not vary in a fitting manner , and these other variations , whatever their nature might be , which tended to bring all the parts into more harmonious action with one another , would be ...
... latter parts might not vary at all , or they might not vary in a fitting manner , and these other variations , whatever their nature might be , which tended to bring all the parts into more harmonious action with one another , would be ...
Стр. 33
... latter was very much more acid . I have indeed tried hundreds of times the state of the secretion on the disks of leaves which were inflected over various objects , and never failed to find it acid . We may , therefore , conclude that ...
... latter was very much more acid . I have indeed tried hundreds of times the state of the secretion on the disks of leaves which were inflected over various objects , and never failed to find it acid . We may , therefore , conclude that ...
Стр. 41
... , a horizontal line one yard in length ; so that 240 cubic inches would cross a line a hundred yards in length . This latter amount in a damp state would weigh eleven and a half pounds . Thus a considerable. THE PART PLAYED BY WORMS . 41.
... , a horizontal line one yard in length ; so that 240 cubic inches would cross a line a hundred yards in length . This latter amount in a damp state would weigh eleven and a half pounds . Thus a considerable. THE PART PLAYED BY WORMS . 41.
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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