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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... tend to become converted into new and distinct species . The larger genera thus tend to become larger ; and throughout nature the forms of life which are now dominant tend to become still more dominant by leav- ing many modified and ...
... tend to vary in the same way , and homologous parts tend to cohere . Modifications in hard parts and in external parts some- times affect softer and internal parts . When one part is largely developed , perhaps it tends to draw nourish ...
... tend to become extinct together , and to leave no modified offspring on the face of the earth . But the utter extinction of a whole group of species may often be a very slow process , from the survival of a few descendants , lingering ...
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 |