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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... distinct breed , the tendency to reversion to any character derived from such cross will naturally become less and less , as in each suc- ceeding generation there will be less of the foreign blood ; but when there has been no cross with ...
... distinct species is a universal law of nature . He experimentised on some of the very same species as did Gärtner . The differ- ence in their results may , I think , be in part ac- counted for by Herbert's great horticultural skill ...
... distinct families . The most common case , especially with respect to very distinct groups , such as fish and reptiles , seems to be , that supposing them to be distinguished at the present day from each other by a dozen characters ...
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 |