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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... flower to the other, it is equally preposterous to account for the structureof this parasite,with itsrelations to several distinct organic beings, by the effects of external conditions, orof habit,or of the volition ofthe plant itself ...
... flower to the other, it is equally preposterous to account for the structureof this parasite,with itsrelations to several distinct organic beings, by the effects of external conditions, orof habit,or of the volition ofthe plant itself ...
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... flowering ofplants when transported from one climate toanother. With animals the increased use or disuse of parts has had a more marked influence; thus I find in the domestic duck that the bones of the wing weigh less and the bones of ...
... flowering ofplants when transported from one climate toanother. With animals the increased use or disuse of parts has had a more marked influence; thus I find in the domestic duck that the bones of the wing weigh less and the bones of ...
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... flowers, when the flowers of the present day are compared with drawings made only twenty or thirty years ago. When araceof plantsisonce pretty well established,the seed raisers do not pickoutthebest plants, but merely goover their ...
... flowers, when the flowers of the present day are compared with drawings made only twenty or thirty years ago. When araceof plantsisonce pretty well established,the seed raisers do not pickoutthebest plants, but merely goover their ...
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... flowers of the same varieties; and the diversity of fruit of the same species intheorchard, in comparison with theleaves and flowers ofthe sameset of varieties. See how differenttheleaves of the cabbageare, and how extremely alikethe ...
... flowers of the same varieties; and the diversity of fruit of the same species intheorchard, in comparison with theleaves and flowers ofthe sameset of varieties. See how differenttheleaves of the cabbageare, and how extremely alikethe ...
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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