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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... period at which it first appearedinthe parent.I believe this rule to be ofthehighest importance in explaining the laws of embryology. These remarks are of course confined to the first APPEARANCE of the peculiarity,and not to the primary ...
... period at which it first appearedinthe parent.I believe this rule to be ofthehighest importance in explaining the laws of embryology. These remarks are of course confined to the first APPEARANCE of the peculiarity,and not to the primary ...
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... period of less advanced civilisation, during which the domesticated animals, kept by different tribes in differentdistricts, might have varied and given rise to distinct races. Since thediscovery offlint tools inthesuperficial ...
... period of less advanced civilisation, during which the domesticated animals, kept by different tribes in differentdistricts, might have varied and given rise to distinct races. Since thediscovery offlint tools inthesuperficial ...
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... period attended to. Savages now sometimescrosstheir dogs with wild canine animals, to improve thebreed, andthey formerlydidso, as is attested by passages in Pliny. Thesavages in South Africa match their draught cattleby color, as do ...
... period attended to. Savages now sometimescrosstheir dogs with wild canine animals, to improve thebreed, andthey formerlydidso, as is attested by passages in Pliny. Thesavages in South Africa match their draught cattleby color, as do ...
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... period than at another, as the breed rises or falls in fashion—perhaps more inone district than in another, according to the stateof civilisation ofthe inhabitants—slowly to addto the characteristic features ofthe breed ...
... period than at another, as the breed rises or falls in fashion—perhaps more inone district than in another, according to the stateof civilisation ofthe inhabitants—slowly to addto the characteristic features ofthe breed ...
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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