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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... increase : it will be under the mark to assume that it breeds when thirty years old , and goes on breeding till ninety years old , bringing forth three pair of young in this interval ; if this be so , at the end of the fifth century ...
... increase , the result of which never fails to be surprising , simply explains the extraordinarily rapid increase and wide diffusion of naturalised produc- tions in their new homes . In a state of nature almost every plant produces seed ...
... increase in number is most obscure . Look at the most vigorous species ; by as much as it swarms in numbers , by so much will its tendency to increase be still further in- creased . We know not exactly what the checks are in even one ...
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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 |