Darwinism Stated by Darwin Himself: Characteristic Passages from the Writings of Charles DarwinD. Appleton, 1884 - 351 стор. |
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Сторінка xi
... Eye VI . GEOGRAPHICAL DISTRIBUTION OF ORGANIC BEINGS . Isolated Continents never were united Means of Dispersal PAGE 93 • 94 96 • 97 99 102 103 106 • 108 110 115 • 116 Dispersal during the Glacial Period · These Means of Transport not ...
... Eye VI . GEOGRAPHICAL DISTRIBUTION OF ORGANIC BEINGS . Isolated Continents never were united Means of Dispersal PAGE 93 • 94 96 • 97 99 102 103 106 • 108 110 115 • 116 Dispersal during the Glacial Period · These Means of Transport not ...
Сторінка 28
... eye could perceive on a white card . These cotyledons , therefore , were affected by a difference in the amount of light on their two sides , which the eye could not distinguish . The degree of their curvature within a given time toward ...
... eye could perceive on a white card . These cotyledons , therefore , were affected by a difference in the amount of light on their two sides , which the eye could not distinguish . The degree of their curvature within a given time toward ...
Сторінка 47
... eye , he has effected wonderful changes and improvements . It can , also , be clearly shown that man , without any intention or thought of improving the breed , by preserving in each successive III THE LAWS OF VARIABILITY WITH RESPECT ...
... eye , he has effected wonderful changes and improvements . It can , also , be clearly shown that man , without any intention or thought of improving the breed , by preserving in each successive III THE LAWS OF VARIABILITY WITH RESPECT ...
Сторінка 51
... eyes is probably due to gradual reduction from disuse , but aided , perhaps , by natural selection . In South ... eyes must be injurious to any animal , and as eyes are certainly not necessary to ani- mals having subterranean habits , a ...
... eyes is probably due to gradual reduction from disuse , but aided , perhaps , by natural selection . In South ... eyes must be injurious to any animal , and as eyes are certainly not necessary to ani- mals having subterranean habits , a ...
Сторінка 65
... eye is well practiced , the shepherd knows each sheep , and man can distinguish a fellow - man out of millions on millions of other men . The whole subject of inheritance is won- Page 446 . derful . When a new character arises , what ...
... eye is well practiced , the shepherd knows each sheep , and man can distinguish a fellow - man out of millions on millions of other men . The whole subject of inheritance is won- Page 446 . derful . When a new character arises , what ...
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Darwinism Stated by Darwin Himself: Characteristic Passages from the ... Charles Darwin Повний перегляд - 1884 |
Darwinism Stated by Darwin Himself: Characteristic Passages from the ... Charles Darwin Повний перегляд - 1890 |
Darwinism stated by Darwin himself: Characteristic passages from the ... Charles Darwin Обмежений попередній перегляд - 2023 |
Загальні терміни та фрази
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
Популярні уривки
Сторінка i - There is grandeur in this view of life, with its several powers, having been originally breathed by the Creator into a few forms or into one; and that, whilst this planet has gone cycling on according to the fixed law of gravity, from so simple a beginning endless forms most beautiful and most wonderful have been, and are being evolved.
Сторінка 347 - It is interesting to contemplate an entangled bank, clothed with many plants of many kinds, with birds singing on the bushes, with various insects flitting about, and with worms crawling through the damp earth, and to reflect that these elaborately constructed forms, so different from each other, and dependent upon each other in so complex a manner, have all been produced by laws acting around us.
Сторінка 110 - To suppose that the eye, with all its inimitable contrivances for adjusting the focus to different distances, for admitting different amounts of light, and for the correction of spherical and chromatic aberration, could have been formed by natural selection, seems, I freely confess, absurd in the highest possible degree.
Сторінка 72 - The key is man's power of accumulative selection: nature gives successive variations; man adds them up in certain directions useful to him. In this sense he may be said to have made for himself useful breeds.
Сторінка 254 - It is incredible that all these facts should speak falsely. He who is not content to look, like a savage, at the phenomena of nature as disconnected, cannot any longer believe that man is the work of a separate act of creation.
Сторінка 44 - It may be doubted whether there are many other animals which have played so important a part in the history of the world, as have these lowly organised creatures.
Сторінка 308 - But as my conclusions have lately been much misrepresented, and it has been stated that I attribute the modification of species exclusively to natural selection, I may be permitted to remark that in the first edition of this work, and subsequently, I placed in a most conspicuous position — namely, at the close of the Introduction — the following words: "I am convinced that natural selection has been the main but not thé exclusive means of modification.