Darwinism Stated by Darwin Himself: Characteristic Passages from the Writings of Charles DarwinD. Appleton, 1890 - Всего страниц: 351 |
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Стр. xi
... Period The Theory of Creation inadequate . Causes of a Glacial Climate Difficulties not yet removed . . 115 116 . 118 119 122 123 124 125 Identity of the Species of Islands with those of the Mainland ex- plained only by this Theory ...
... Period The Theory of Creation inadequate . Causes of a Glacial Climate Difficulties not yet removed . . 115 116 . 118 119 122 123 124 125 Identity of the Species of Islands with those of the Mainland ex- plained only by this Theory ...
Стр. 18
... period of growth , before the shape or existence of any part of the flower is of 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 ...
... period of growth , before the shape or existence of any part of the flower is of 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 ...
Стр. 21
... period twisted , causing the labellum to assume the position of a lower petal , so that insects can easily visit the flower ; but from slow changes in the form or position of the petals , or from new sorts of in- sects visiting the ...
... period twisted , causing the labellum to assume the position of a lower petal , so that insects can easily visit the flower ; but from slow changes in the form or position of the petals , or from new sorts of in- sects visiting the ...
Стр. 42
... period which no geologist considers extremely long . THEY PRESERVE VALUABLE RUINS . Archæologists ought to be grateful to Page - 308 . worms , as they protect and preserve for an indefinitely long period every object , not liable to ...
... period which no geologist considers extremely long . THEY PRESERVE VALUABLE RUINS . Archæologists ought to be grateful to Page - 308 . worms , as they protect and preserve for an indefinitely long period every object , not liable to ...
Стр. 48
... period of the flowering of plants when transported from one climate to another . With animals the increased use or disuse of parts has had a more marked influence ; thus I find in the domestic duck that the bones of the wing weigh less ...
... period of the flowering of plants when transported from one climate to another . With animals the increased use or disuse of parts has had a more marked influence ; thus I find in the domestic duck that the bones of the wing weigh less ...
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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