 | Charles Darwin - 2006 - Страниц: 608
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 | Charles Darwin - 2007 - Страниц: 556
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 | Bruce D. Olsen - 2007 - Страниц: 278
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 | Asa Gray - 1840 - Страниц: 550
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 | Smithsonian Institution. Board of Regents - 1906 - Страниц: 702
...leading exponents of the doctrine of natural selection. To quote Mr. Darwin's own words on this point : The action of climate seems at first sight to be quite...struggle for existence; but, in so far as climate chiefly act.", in reducing food, it hrings on the most severe struggle between the individuals, whether of... | |
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The action of climate seems at first sight to be quite independent of the struggle for existence ; but in so far as climate chiefly acts in reducing food, it brings on the most severe struggle between the individuals, whether of the same or of distinct... 
