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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... compared one with another , and more especially when compared with all the species in nature to which they are nearest allied . With these exceptions ( and with that of the perfect fertility of varieties when crossed , a subject ...
... compared , independently of their fertility . - Independently of the question of fertility , the offspring of species when crossed and of varieties when crossed may be compared in several other respects . Gärtner , whose strong wish was ...
... compared with the period requisite to change one species into another . I am aware that two paleontologists , whose opinions are worthy of much deference , namely Bronn and Wood- ward , have concluded that the average duration of each ...
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 |