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도서 Our ignorance of the laws of variation is profound. Not in one case out of a hundred...에 대해 검색한 60개 도서 중 1 - 10
" Our ignorance of the laws of variation is profound. Not in one case out of a hundred can we pretend to assign any reason why this or that part varies more or less from the same part in the parents . . . The external conditions of life, as climate and... "
The Natural History Review - 566 페이지
1864
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The Wesleyan-Methodist Magazine

1876
...parental tpye." (P. 12.) " Our ignorance of the laws of variation is profound. Not in one case out of a hundred can we pretend to assign any reason why this or that part differs, more or less, from the same part in the parents." (P. 167.) And Mr. Darwin also recognises...
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The Eclectic Review, 3권;111권

William Hendry Stowell - 1860
...accidental. " Our ignorance (says Mr. Darwin) of the laws of variation is profound. Not in one case out of a hundred can we pretend to assign any reason why this or that part differs, more or less, from the same part in the parent ;"* and again, " variation is a very slow process,...
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Gardener's & farmer's reason why ...

Robert Kemp Philp - 1860 - 330 페이지
...strong, will have been neglected, and will have tended to disappear.* 1153. Not in one case out of a hundred can we pretend to assign any reason why this or that part differs, more or less, from the same part in the parents. But whenever we have the means of instituting...
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On the Origin of Species by Means of Natural Selection; Or, The Preservation ...

Charles Darwin - 1861 - 440 페이지
...sea-shore. Swrmmoury. — Our ignorance of the laws of variation is profound. Not in one case out of a hundred can we pretend to assign any reason why this or that part differs, more or less, from the same part in the parents. But whenever we have the means of instituting...
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On the Origin of Species by Means of Natural Selection: Or, The Preservation ...

1864 - 440 페이지
...sea-shore. Summary. — Our ignorance of the laws of variation is profound. Not in one case out of a hundred can we pretend to assign any reason why this or that part differs, more or less, from the same part in the parents. But whenever we have the means ot instituting...
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The Anthropological Review, 2권;5권

1864
...also says that " hdlut, ill producing constitutional differences, and use in strengihening and disuie in weakening and diminishing organs, seem to have been more potent in their effects." When, however, neither use nor disuse appear to operate sufficiently to justify Lamarck's...
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On the Origin of Species by Means of Natural Selection: Or The Preservation ...

Charles Darwin - 1866 - 593 페이지
...between varieties of the same species, and the greater differences between species of the same genus. The external conditions of life, as climate and food,...diminishing organs, seem to have been more potent in their effects. Homologous parts tend to vary in the same way, and homologous parts tend to cohere. Modifications...
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Faith and Thought, 2권

1867
...life, as climate, food, &c., seem to have induced some slight modifications." He also says, that " habit, in producing constitutional differences, and...diminishing organs, seem to have been more potent in their effects." When, however, neither use nor disuse appears to operate sufficiently to justify Lamarck's...
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Lay Sermons, Addresses, and Reviews

Thomas Henry Huxley - 1870 - 378 페이지
...(Summary of Chap. V.) :— "Our ignorance of the laws of variation is profound. Not in one case out of a hundred can we pretend to assign any reason why this...diminishing organs, seem to have been more potent in their effects," And finally, as if to prevent all possible misconception. Mr. Darwin concludes his Chapter...
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Lay Sermons, Addresses, and Reviews

Thomas Henry Huxley - 1870 - 378 페이지
...(Summary of Chap. V.) :— " Our ignorance of the laws of variation is profound. Not in one case out of a hundred can we pretend to assign, any reason why this...&c. seem to have induced some slight modifications. Hahit, in producing constitutional differences, and use, in strengthening, and disuse, in weakening...
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