Darwinism Stated by Darwin Himself: Characteristic Passages from the Writings of Charles DarwinD. Appleton, 1884 - Всего страниц: 351 |
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Стр. 22
... continually augmented by selection ; thus the pedicel , as far as its action is concerned , would be modified in the same manner as if it had been short- ened . Such processes carried on during many thousand generations in various ways ...
... continually augmented by selection ; thus the pedicel , as far as its action is concerned , would be modified in the same manner as if it had been short- ened . Such processes carried on during many thousand generations in various ways ...
Стр. 40
... continually exposed to the action of the carbonic acid in the soil , and of the humus - acids which appear to be still more efficient in the decomposition of rocks . The generation of the humus - acids is probably hastened during the ...
... continually exposed to the action of the carbonic acid in the soil , and of the humus - acids which appear to be still more efficient in the decomposition of rocks . The generation of the humus - acids is probably hastened during the ...
Стр. 42
... continually moving down each side of every valley , and will in time reach its bed . Finally , this earth will be transported by the streams flowing in the valleys into the ocean , the great receptacle for all matter denuded from the ...
... continually moving down each side of every valley , and will in time reach its bed . Finally , this earth will be transported by the streams flowing in the valleys into the ocean , the great receptacle for all matter denuded from the ...
Стр. 71
... continually inducing fresh varia- bility . We have seen that when the seeds of pears , plums , apples , etc. , are sown , the seedlings generally inherit some degree of family likeness . Mingled with these seedlings , a few , and ...
... continually inducing fresh varia- bility . We have seen that when the seeds of pears , plums , apples , etc. , are sown , the seedlings generally inherit some degree of family likeness . Mingled with these seedlings , a few , and ...
Стр. 88
... continually recur- ring with varying success ; and yet in the long run the forces are so nicely balanced that the face of Nature re- mains for long periods of time uniform , though assuredly the merest trifle would give the victory to ...
... continually recur- ring with varying success ; and yet in the long run the forces are so nicely balanced that the face of Nature re- mains for long periods of time uniform , though assuredly the merest trifle would give the victory to ...
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Darwinism stated by Darwin himself: Characteristic passages from the ... Charles Darwin Ограниченный просмотр - 2023 |
Часто встречающиеся слова и выражения
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