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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... modification and coadaptation. At the commencementof myobservations itseemed to meprobable that a careful study of domesticated animals and of cultivated plants would offer the best chance of making outthis obscure problem. Nor have I ...
... modification and coadaptation. At the commencementof myobservations itseemed to meprobable that a careful study of domesticated animals and of cultivated plants would offer the best chance of making outthis obscure problem. Nor have I ...
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... modification is at least possible; and, what is equally or moreimportant,we shall see how great is the power ofmanin accumulating by his selectionsuccessive slight variations. I will thenpass on tothevariability ofspecies in a state of ...
... modification is at least possible; and, what is equally or moreimportant,we shall see how great is the power ofmanin accumulating by his selectionsuccessive slight variations. I will thenpass on tothevariability ofspecies in a state of ...
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... modification of everyinhabitant of this world.Still lessdowe know of the mutual relations of the innumerable inhabitants of the world during the many past geological epochs inits history. Although muchremains obscure, andwill longremain ...
... modification of everyinhabitant of this world.Still lessdowe know of the mutual relations of the innumerable inhabitants of the world during the many past geological epochs inits history. Although muchremains obscure, andwill longremain ...
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... modification directly duetothe physical conditionsoflife; and“variations” in this sense are supposednotto be inherited; but whocan saythat the dwarfed condition ofshells in thebrackish waters of the Baltic, or dwarfed plants on Alpine ...
... modification directly duetothe physical conditionsoflife; and“variations” in this sense are supposednotto be inherited; but whocan saythat the dwarfed condition ofshells in thebrackish waters of the Baltic, or dwarfed plants on Alpine ...
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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