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도서 ... while the form and structure of his body will remain unchanged. So when a glacial...에 대해 검색한 15개 도서 중 11 - 15
" ... while the form and structure of his body will remain unchanged. So when a glacial epoch comes on, some animals must acquire warmer fur, or a covering of fat, or else die of cold. Those best clothed by nature are, therefore, preserved by natural selection.... "
The Natural History Review - 331 페이지
1864
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The Past in the Present: What is Civilization?

Sir Arthur Mitchell - 1881 - 362 페이지
...prey. The capacities which enable him to do this are what he requires to be strengthened, and these will, therefore, be gradually modified by ' natural...preserved by natural selection. Man, under the same cireumstances, will make himself warmer clothing, and build better houses; and the necessity of doing...
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Natural Selection and Tropical Nature: Essays on Descriptive and Theoretical ...

Alfred Russel Wallace - 1891 - 492 페이지
...prey. The capacities which enable him to do this are what he requires to be strengthened, and these will, therefore, be gradually modified by natural...circumstances, will make himself warmer clothing, and build better houses, and the necessity of doing this will react upon his mental organisation and social condition...
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Infinite Tropics: An Alfred Russel Wallace Anthology

Alfred Russel Wallace - 2003 - 430 페이지
...prey. The capacities which enable him to do this are what he requires to be strengthened, and these will, therefore, be gradually modified by "natural...circumstances, will make himself warmer clothing, and build better houses; and the necessity of doing this will react upon his mental organisation and social condition...
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Infinite Tropics: An Alfred Russel Wallace Anthology

Alfred Russel Wallace, Andrew Berry - 2002 - 430 페이지
...prey. The capacities which enable him to do this are what he requires to be strengthened, and these will, therefore, be gradually modified by "natural...glacial epoch comes on, some animals must acquire wanner fur, or a covering of fat, or else die of cold. Those best clothed by nature are, therefore,...
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Fraser's Magazine, 78권

James Anthony Froude, John Tulloch - 1868
...prey. The capacities which enable him to do this are what he rt'4uires to be strengthened, and these will, therefore, be gradually modified by 'natural...form and structure of his body will remain unchanged. ™> when a glacial epoch comes on, some animais must acquire warmer fur, or a covering of fat, or...
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