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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... characters have been inherited from a remote period , since that period when the species first branched off from their common progenitor , and subsequently have not varied or come to differ in any degree , or only in a slight degree ...
... characters , mainly depends on their being correlated with several other characters of more or less importance . The value indeed of an aggregate of characters is very evident in natural history . Hence , as has often been remarked , a ...
... characters of quite subordinate value . We can see why characters derived from the embryo should be of equal importance with those derived from the adult , for our classifications of course include all ages of each species . But it is ...
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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 |