On The Origin Of SpeciesHarper Collins, 22 июл. 2014 г. - Всего страниц: 336 Published in 1859, The Origin of Species by Charles Darwin introduced the theory of natural selection to a newly-receptive public. As a young naturalist on the second voyage of HMS Beagle (1831-36), Darwin collected many plant and animal specimens, and it was his close examination of them that eventually led to his theories on evolution and natural selection. HarperPerennial Classics brings great works of literature to life in digital format, upholding the highest standards in ebook production and celebrating reading in all its forms. Look for more titles in the HarperPerennial Classics collection to build your digital library. |
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... important; for nearly similar variations sometimes arise under, as far as we can judge, dissimilar conditions;and, onthe otherhand,dissimilar variationsarise under conditions which appearto benearly uniform. Theeffects on theoffspring ...
... important; for nearly similar variations sometimes arise under, as far as we can judge, dissimilar conditions;and, onthe otherhand,dissimilar variationsarise under conditions which appearto benearly uniform. Theeffects on theoffspring ...
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... Important changes in the embryoor larva will probably entail changesin themature animal. In monstrosities, the correlations between quite distinct parts are very curious; andmany instancesare given in Isidore Geoffroy St. Hilaire's ...
... Important changes in the embryoor larva will probably entail changesin themature animal. In monstrosities, the correlations between quite distinct parts are very curious; andmany instancesare given in Isidore Geoffroy St. Hilaire's ...
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... importance to us, that peculiarities appearing in the malesofour domestic breeds are often transmitted, either exclusively orin a much greater degree, to the males alone. A much more important rule, which I think may be trusted, is that ...
... importance to us, that peculiarities appearing in the malesofour domestic breeds are often transmitted, either exclusively orin a much greater degree, to the males alone. A much more important rule, which I think may be trusted, is that ...
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... W. Elliot from India, and by the Hon. C. Murrayfrom Persia. Many treatisesindifferent languages have been published on pigeons, and some of them arevery important, as being of considerable antiquity. I have associated with several.
... W. Elliot from India, and by the Hon. C. Murrayfrom Persia. Many treatisesindifferent languages have been published on pigeons, and some of them arevery important, as being of considerable antiquity. I have associated with several.
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... important.But it isvery farfromtrue that theprinciple is amodern discovery. Icould give several references to works of high antiquity, in which the full importance of the principle is acknowledged. In rude andbarbarous periods ofEnglish ...
... important.But it isvery farfromtrue that theprinciple is amodern discovery. Icould give several references to works of high antiquity, in which the full importance of the principle is acknowledged. In rude andbarbarous periods ofEnglish ...
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according adapted admit advantage allied America amount animals appear become believe belonging birds breeds cause certain characters climate closely color common compared complex considerable considered continued crossed descendants developed difficulty distinct domestic doubt effects existing extinct extremely facts favourable fertility flowers formation forms genera genus geological give given greater groups habits Hence hybrids important increase individuals inhabitants inherited insects instance instincts intermediate inthe islands kind known laws less living look manner means modification namely natural selection naturalists nearly observed occasionally occur offspring ofthe onthe organs parent perfect period plants points present preserved principle probably produced remarked represented resemblance respect seeds seems seen separated shown similar single slight sometimes species stage sterility structure successive suppose theory thesame tothe variability variations varieties various vary whole widely young