On the Origin of SpeciesHarvard University Press, 2003 - Всего страниц: 553 It is now generally recognized that the publication of Darwin's Origin of Species in 1859 not only decisively altered the basic concepts of biological theory but had a profound and lasting influence on social, philosophic, and religious thought. This work is rightly regarded as one of the most important books ever printed. |
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... Struggle for life most severe between individuals and varieties of the same species ; often severe be- tween species of the same genus - The relation of organism to organism ... STRUGGLE FOR EXISTENCE . CHAPTER III: STRUGGLE FOR EXISTENCE.
... struggle for life , or more difficult - at least I have found it so than constantly to bear this conclusion in mind . Yet unless it be thoroughly engrained in the mind , I am convinced that the whole economy of nature , with every fact ...
... struggle with the plants of the same and other kinds which already clothe the ground . The missletoe is dependent on the apple and a few other trees , but can only in a far - fetched sense be said to struggle with these trees , for if ...
Содержание
VARIATION UNDER DOMESTICATION | 7 |
VARIATION UNDER NATURE | 44 |
STRUGGLE FOR EXISTENCE | 60 |
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Publications of the Biological Services Program Biological Services Program (U.S.) Полный просмотр - 1978 |
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An Introduction to Behavioural Ecology Nicholas B. Davies,John R. Krebs Недоступно для просмотра - 1993 |