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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... 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 are either definite or ...
... 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 are either definite or ...
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... exterminated even on severalof the smaller British islets, or on theshores ofthe Mediterranean. Hence the supposed extermination of so many species having similar habits with the rockpigeon seems a very rash assumption.
... exterminated even on severalof the smaller British islets, or on theshores ofthe Mediterranean. Hence the supposed extermination of so many species having similar habits with the rockpigeon seems a very rash assumption.
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Charles Darwin. similar habits with the rockpigeon seems a very rash assumption. Moreover, the several abovenamed domesticated breeds have been transported toall parts of the world,and, therefore, some of them must have been carried back ...
Charles Darwin. similar habits with the rockpigeon seems a very rash assumption. Moreover, the several abovenamed domesticated breeds have been transported toall parts of the world,and, therefore, some of them must have been carried back ...
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... similar conclusion in regard tothe many species of finches, or other groups of birds, in nature. One circumstancehas struck memuch; namely, that nearly all the breeders of thevarious domestic animals and the cultivators of plants, with ...
... similar conclusion in regard tothe many species of finches, or other groups of birds, in nature. One circumstancehas struck memuch; namely, that nearly all the breeders of thevarious domestic animals and the cultivators of plants, with ...
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... similar process of selection, and by careful training, English racehorses have cometo surpass in fleetness and size the parent Arabs,so that the latter, bythe regulations forthe GoodwoodRaces, arefavouredin the weightswhich they carry ...
... similar process of selection, and by careful training, English racehorses have cometo surpass in fleetness and size the parent Arabs,so that the latter, bythe regulations forthe GoodwoodRaces, arefavouredin the weightswhich they carry ...
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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