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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... probably from this same cause that organic beings low in the scale of nature are more variable than those which have their whole organi- sation more specialised , and are higher in the scale . Rudimentary organs , from being useless ...
... ( probably , according to Dr. Hooker , the Nelumbium luteum ) in a heron's stomach ; although I do not know the fact , yet analogy makes me believe that a heron flying to another pond and getting a hearty meal of fish , would probably ...
... probably serves as a fair measure of the lapse of actual time . A number of species , however , keeping in a body ... probably fewer and simpler , the rate of change was probably slower ; and at the first dawn of life , when very few ...
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VARIATION UNDER DOMESTICATION | 7 |
VARIATION UNDER NATURE | 44 |
STRUGGLE FOR EXISTENCE | 60 |
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An Introduction to Behavioural Ecology Nicholas B. Davies,John R. Krebs Недоступно для просмотра - 1993 |