Darwinism Stated by Darwin Himself: Characteristic Passages from the Writings of Charles DarwinD. Appleton, 1884 - Всего страниц: 351 |
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... 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 - increasing ...
... 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 - increasing ...
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 Полный просмотр - 1884 |
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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