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Books Books 21 - 23 of 23 on The action of climate seems at first sight to be quite independent of the struggle....
" 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... "
The Origin of Species
by Charles Darwin - 19?? - 238 pages
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On the Origin of Species

Charles Darwin - History - 2003 - 672 pages
...or drought, I believe to be the most effective of all checks. I estimated that the winter of 1854-55 destroyed four-fifths of the birds in my own grounds;...cold, acts directly, it will be the least vigorous, or those which have got least food through the advancing winter, which will suffer most. When we travel...
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Natural Selection: The Global Struggle for Existence

Charles Darwin - 2008 - 158 pages
...be the most effective of all checks. I estimated that the winter of 1854-55 destroyed four- fifths of the birds in my own grounds; and this is a tremendous...cold, acts directly, it will be the least vigorous, or those which have got least food through the advancing winter, which will suffer most. When we travel...
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Annual Report

Smithsonian Institution - Science - 1906
...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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