Darwinism Stated by Darwin Himself: Characteristic Passages from the Writings of Charles DarwinD. Appleton, 1890 - 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. 21
... becomes for a 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 ...
... becomes for a 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 ...
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Darwinism stated by Darwin himself: Characteristic passages from the ... Charles Darwin Ограниченный просмотр - 2023 |
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