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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... considered natural selection to be . Chapter IV ( pp . 80-130 ) is specifically devoted to this concept , as is Chapter III , entitled " Struggle for Existence . " It has often been deplored that Darwin adopted from con- temporary ...
... considered . The distinction has probably been slurred over , owing to the sterility in both cases being looked on as a special endowment , beyond the province of our reasoning powers . The fertility of varieties , that is of the forms ...
... considered as lower in the scale than the larva , as with certain para- sitic crustaceans . To refer once again to cirripedes : the larvæ in the first stage have three pairs of legs , a very simple single eye , and a probosciformed ...
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 |