Darwinism Stated by Darwin Himself: Characteristic Passages from the Writings of Charles DarwinD. Appleton, 1890 - Всего страниц: 351 |
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Стр. viii
... kind . ' Science tells the same story . But what is the limit of the fixedness of the law ? I believe that the evolution of new species is a question in science , and not of religion . It should be left to scientific men . " -President ...
... kind . ' Science tells the same story . But what is the limit of the fixedness of the law ? I believe that the evolution of new species is a question in science , and not of religion . It should be left to scientific men . " -President ...
Стр. 2
... kinds of movement which they display in manifest relation to their wants . The most different organs - stems , branches , flower - peduncles , petioles , mid- ribs of the leaf and leaflets , and apparently aërial roots— all possess this ...
... kinds of movement which they display in manifest relation to their wants . The most different organs - stems , branches , flower - peduncles , petioles , mid- ribs of the leaf and leaflets , and apparently aërial roots— all possess this ...
Стр. 4
... kinds are natives of this grand continent , namely , the several species of Big- nonia , Eccremocarpus , Cobæa , and Ampelopsis . But even in the thickets of our temperate regions the number of climbing species and individuals is ...
... kinds are natives of this grand continent , namely , the several species of Big- nonia , Eccremocarpus , Cobæa , and Ampelopsis . But even in the thickets of our temperate regions the number of climbing species and individuals is ...
Стр. 8
... , dry or moist place , or from a different kind of soil containing other organic seeds or inorganic matter . THE STRUGGLE FOR EXISTENCE AMONG SEEDS . Seeds often lie. 8 DARWINISM STATED BY DARWIN HIMSELF . Experiments in Crossing.
... , dry or moist place , or from a different kind of soil containing other organic seeds or inorganic matter . THE STRUGGLE FOR EXISTENCE AMONG SEEDS . Seeds often lie. 8 DARWINISM STATED BY DARWIN HIMSELF . Experiments in Crossing.
Стр. 9
... kind grow with great vigor , and trans- mit their vigor to their descendants . These , therefore , in the struggle for life , will generally beat and exterminate the seedlings from plants which have long grown near together under the ...
... kind grow with great vigor , and trans- mit their vigor to their descendants . These , therefore , in the struggle for life , will generally beat and exterminate the seedlings from plants which have long grown near together under the ...
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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