Darwinism Stated by Darwin Himself: Characteristic Passages from the Writings of Charles DarwinD. Appleton, 1884 - Всего страниц: 351 |
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Стр. 5
... become wonderfully strong and durable . The tendril has done its work , and has done it in an admirable manner . The Power of Movement in Plants , page 571 . It is impossible not to be struck with the resemblance between the foregoing ...
... become wonderfully strong and durable . The tendril has done its work , and has done it in an admirable manner . The Power of Movement in Plants , page 571 . It is impossible not to be struck with the resemblance between the foregoing ...
Стр. 6
... become intelligible , if the view here pro- pounded is correct , namely , that the individuals of the same species growing in a state of nature near together have not really been subjected during several previous generations to quite ...
... become intelligible , if the view here pro- pounded is correct , namely , that the individuals of the same species growing in a state of nature near together have not really been subjected during several previous generations to quite ...
Стр. 10
... become in some degree differentiated by the ex- posure of their progenitors to different conditions , or from their having intercrossed with individuals thus exposed ; or , lastly , from what we call in our ignorance spontaneous ...
... become in some degree differentiated by the ex- posure of their progenitors to different conditions , or from their having intercrossed with individuals thus exposed ; or , lastly , from what we call in our ignorance spontaneous ...
Стр. 13
... becoming united in the same hermaphrodite form probably is to allow of occasional or frequent self - fertilization , so as to insure the propagation of the species , more especially in the case of organisms affixed for life to the same ...
... becoming united in the same hermaphrodite form probably is to allow of occasional or frequent self - fertilization , so as to insure the propagation of the species , more especially in the case of organisms affixed for life to the same ...
Стр. 14
... becoming hermaphrodites , have since had their sexes reseparated . This separation has been attributed by some naturalists to the advantages which follow from a division of physiological labor . The principle is intelligible when the ...
... becoming hermaphrodites , have since had their sexes reseparated . This separation has been attributed by some naturalists to the advantages which follow from a division of physiological labor . The principle is intelligible when the ...
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Darwinism stated by Darwin himself: Characteristic passages from the ... Charles Darwin Ограниченный просмотр - 2023 |
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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