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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... doubt errors mayhave crept in, though I hope I have always been cautious in trusting to good authoritiesalone. I canhere give only the general conclusions at which Ihave arrived,withafew facts inillustration, but which, I hope ...
... doubt errors mayhave crept in, though I hope I have always been cautious in trusting to good authoritiesalone. I canhere give only the general conclusions at which Ihave arrived,withafew facts inillustration, but which, I hope ...
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... doubt,after the mostdeliberate study and dispassionate judgment of which I am capable, that the viewwhich most naturalists until recently entertained, and which Iformerly entertained—namely, thateach specieshas been independently ...
... doubt,after the mostdeliberate study and dispassionate judgment of which I am capable, that the viewwhich most naturalists until recently entertained, and which Iformerly entertained—namely, thateach specieshas been independently ...
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... doubt about many slight changes, such assize from the amount of food,colorfrom the natureof the food, thicknessofthe skin andhairfrom climate, etc. Eachof the endless variations whichwe see in theplumage of our fowls must have had some ...
... doubt about many slight changes, such assize from the amount of food,colorfrom the natureof the food, thicknessofthe skin andhairfrom climate, etc. Eachof the endless variations whichwe see in theplumage of our fowls must have had some ...
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... doubts how strongis thetendency to inheritance; that like produces likeishis fundamental belief: doubts have been thrown on this principle only by theoretical writers. When any deviation of structure often appears, and we see it in the ...
... doubts how strongis thetendency to inheritance; that like produces likeishis fundamental belief: doubts have been thrown on this principle only by theoretical writers. When any deviation of structure often appears, and we see it in the ...
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... doubt, from not knowing whether they are descended from one or several parent species. This point, ifitcould be cleared up, would be interesting;if, forinstance,it could be shownthatthe greyhound, bloodhound, terrier, spaniel and ...
... doubt, from not knowing whether they are descended from one or several parent species. This point, ifitcould be cleared up, would be interesting;if, forinstance,it could be shownthatthe greyhound, bloodhound, terrier, spaniel and ...
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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