 ... 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 Action of Natural Selection on Man - 11 페이지저자: Alfred Russel Wallace - 1871 - 54 페이지전체보기 - 도서 정보
 | 1864 - 668 페이지
...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....necessity of doing this will react upon his mental organisation and social condition — will advance them while his natural body remains naked as before.... | |
 | 1864 - 746 페이지
...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....circumstances will make himself warmer clothing, and build bettor houses, and the necessity of doing this will react upon his mental organization and social condition,... | |
 | 1868 - 978 페이지
...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....clothing, and build better houses; and the necessity for doing this will react upon his mental organisation and social condition — will advance them while... | |
 | Alfred Russel Wallace - 1871 - 434 페이지
...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....will react upon his mental organization and social condition—will advance them while his natural body remains naked as before. When the accustomed food... | |
 | Alfred Russel Wallace - 1871 - 412 페이지
...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....will react upon his mental organization and social condition—will advance them while his natural body .remains naked as before. When the accustomed... | |
 | William Rathbone Greg - 1872 - 348 페이지
...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....necessity of doing this will react upon his mental organisation and social condition — will advance them while his natural body remains naked as before.... | |
 | William Rathbone Greg - 1874 - 336 페이지
...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....advance them while his natural body remains naked aa before. " When the accustomed food of some animal becomes scarce or totally fails, it can only exist... | |
 | Sir Arthur Mitchell - 1881 - 380 페이지
...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....them, while his natural body remains naked as before. tally fails, it can only exist by becoming adapted to a new kind of food, a food, perhaps, less nourishing... | |
 | Sir Arthur Mitchell - 1881 - 376 페이지
...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....warmer clothing, and build better houses; and the nccessity of doing this will react upon his mental organization and social condition — will advance... | |
 | Sir Arthur Mitchell - 1881 - 386 페이지
...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....Man, under the same circumstances, will make himself wanner clothing, and build better houses; and the necessity of doing this will react upon his mental... | |
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