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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... Hence if man goes on selecting, and thus augmenting, any peculiarity, he will almost certainly modify unintentionally other parts ofthe structure, owing to the mysterious laws of correlation. Theresults ofthe various, unknown, or but ...
... Hence if man goes on selecting, and thus augmenting, any peculiarity, he will almost certainly modify unintentionally other parts ofthe structure, owing to the mysterious laws of correlation. Theresults ofthe various, unknown, or but ...
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... Hence it has been argued that no deductions can be drawn from domestic races to species in a state of nature.I haveinvain endeavouredto discoveronwhat decisive factsthe above statement has sooftenandsoboldly been made. There would be ...
... Hence it has been argued that no deductions can be drawn from domestic races to species in a state of nature.I haveinvain endeavouredto discoveronwhat decisive factsthe above statement has sooftenandsoboldly been made. There would be ...
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... Hence the supposed aboriginal stocks must either still exist inthe countries where they were originally domesticated, and yet be unknowntoornithologists; andthis, considering theirsize, habits and remarkable characters, seemsimprobable ...
... Hence the supposed aboriginal stocks must either still exist inthe countries where they were originally domesticated, and yet be unknowntoornithologists; andthis, considering theirsize, habits and remarkable characters, seemsimprobable ...
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... hence the Toulouse andthe common breed, whichdiffer only in color, thatmostfleeting of characters,have lately been exhibited as distinct atour poultryshows. These views appear to explain what has sometimes been noticed, namely, that ...
... hence the Toulouse andthe common breed, whichdiffer only in color, thatmostfleeting of characters,have lately been exhibited as distinct atour poultryshows. These views appear to explain what has sometimes been noticed, namely, that ...
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... large amountofmodificationin almostanydesireddirection. But as variations manifestly useful or pleasing tomanappear only occasionally, the chance of their appearance will be much increased by a large number of individuals being kept. Hence.
... large amountofmodificationin almostanydesireddirection. But as variations manifestly useful or pleasing tomanappear only occasionally, the chance of their appearance will be much increased by a large number of individuals being kept. Hence.
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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