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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... closely similar to some other forms , or are so closely linked to them by intermediate gradations , that naturalists do not like to rank them as distinct species , are in several re- spects the most important for us . We have every ...
... closely accord with the order in time of their production , and still less with the order of their disappearance ; for the parent rock - pigeon now lives ; and many varieties between the rock - pigeon and the carrier have become extinct ...
... closely allied or represen- tative forms which are ranked by all naturalists as specifically distinct . As on the land , so in the waters of the sea , a slow southern migration of a marine fauna , which during the Pliocene or even a ...
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 |