Darwinism Stated by Darwin Himself: Characteristic Passages from the Writings of Charles DarwinD. Appleton, 1884 - Всего страниц: 351 |
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Стр. ix
... compared . Advantages of Cross - Fertilization • Potency of the Sexual Elements in Plants Experiments in Crossing The Struggle for Existence among Seeds . Practical Application of these Views . Marriages of First Cousins Development of ...
... compared . Advantages of Cross - Fertilization • Potency of the Sexual Elements in Plants Experiments in Crossing The Struggle for Existence among Seeds . Practical Application of these Views . Marriages of First Cousins Development of ...
Стр. xii
... COMPARED . Fundamental Intuitions the same in Man and the other Animals . Man and the Lower Animals excited by the same Emotions . All Animals possess some Power of Reasoning The Power of Association in Dog and Savage The Lower Animals ...
... COMPARED . Fundamental Intuitions the same in Man and the other Animals . Man and the Lower Animals excited by the same Emotions . All Animals possess some Power of Reasoning The Power of Association in Dog and Savage The Lower Animals ...
Стр. 4
... COMPARED . It has often been vaguely asserted that Page 206 . plants are distinguished from animals by not having the power of movement . It should rather be said that plants acquire and display this power only when it is of some ...
... COMPARED . It has often been vaguely asserted that Page 206 . plants are distinguished from animals by not having the power of movement . It should rather be said that plants acquire and display this power only when it is of some ...
Стр. 11
... compared were as 100 to 45 in fertility . In comparison with self - fertilized plants the results are still more striking ; thus cabbages derived from a cross with a fresh stock were to the self - fertilized as 100 to 22 in weight ...
... compared were as 100 to 45 in fertility . In comparison with self - fertilized plants the results are still more striking ; thus cabbages derived from a cross with a fresh stock were to the self - fertilized as 100 to 22 in weight ...
Стр. 15
... compared with those on the female bushes , for a single branch , between two and three feet in length , from one of the latter , yielded more than any one of the hermaphrodite bushes . The difference in the amount of fruit produced by ...
... compared with those on the female bushes , for a single branch , between two and three feet in length , from one of the latter , yielded more than any one of the hermaphrodite bushes . The difference in the amount of fruit produced by ...
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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