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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... Sterility various in degree , not universal , affected by close inter- breeding , removed by domestication - Laws governing the sterility of hybrids - Sterility not a special endowment , but incidental on other differences - Causes of ...
... sterility of species ; for it seems to make a broad and clear distinction between varieties and species . First , for the sterility of species when crossed and of their hybrid offspring . It is impossible to study the several memoirs ...
... sterility is independent of general health , and is often accom- panied by excess of size or great luxuriance . In both cases , the sterility occurs in various degrees ; in both , the male element is the most liable to be affected ; but ...
Содержание
VARIATION UNDER DOMESTICATION | 7 |
VARIATION UNDER NATURE | 44 |
STRUGGLE FOR EXISTENCE | 60 |
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Не показаны другие разделы: 14
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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 |