Darwinism Stated by Darwin Himself: Characteristic Passages from the Writings of Charles DarwinD. Appleton, 1890 - Всего страниц: 351 |
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Стр. 3
... closely analogous to the incurv- ation which causes them to revolve , so that their revolv- ing movement is often accelerated or retarded in travel- ing to or from the light . On the other hand , in a few instances tendrils bend toward ...
... closely analogous to the incurv- ation which causes them to revolve , so that their revolv- ing movement is often accelerated or retarded in travel- ing to or from the light . On the other hand , in a few instances tendrils bend toward ...
Стр. 10
... closely related animals ought to keep them under conditions as different as possible . As some kinds of plants suffer much more Page 459 . from self - fertilization than do others , so it probably is with animals from too close ...
... closely related animals ought to keep them under conditions as different as possible . As some kinds of plants suffer much more Page 459 . from self - fertilization than do others , so it probably is with animals from too close ...
Стр. 12
... closely related persons . DEVELOPMENT OF THE TWO SEXES IN PLANTS . Under a theoretical point of view it is some Page 461 . gain to science to know that numberless struct- ures in hermaphrodite plants , and probably in hermaph- rodite ...
... closely related persons . DEVELOPMENT OF THE TWO SEXES IN PLANTS . Under a theoretical point of view it is some Page 461 . gain to science to know that numberless struct- ures in hermaphrodite plants , and probably in hermaph- rodite ...
Стр. 22
... closely analogous ends in many large groups of organic beings . AS INTERESTING ON THE THEORY OF DEVELOPMENT AS ON THAT OF DIRECT INTERPOSITION . Page 285 . The more I study nature , the more . I be- come impressed , with ever ...
... closely analogous ends in many large groups of organic beings . AS INTERESTING ON THE THEORY OF DEVELOPMENT AS ON THAT OF DIRECT INTERPOSITION . Page 285 . The more I study nature , the more . I be- come impressed , with ever ...
Стр. 25
... closely together . Here we have the unusual case of one of the leaflets not standing verti- cally , or almost vertically , at night . Considering that leaves in assuming their nyctitropic positions often move through an angle of 90 ...
... closely together . Here we have the unusual case of one of the leaflets not standing verti- cally , or almost vertically , at night . Considering that leaves in assuming their nyctitropic positions often move through an angle of 90 ...
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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