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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... the same cause were to act uniformly during a long series of generations on many individuals, all probably would be modifiedin thesame manner. Such facts as the complex and extraordinary outgrowths which variably follow from the ...
... the same cause were to act uniformly during a long series of generations on many individuals, all probably would be modifiedin thesame manner. Such facts as the complex and extraordinary outgrowths which variably follow from the ...
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... the same tree underuniform conditions,has been known suddenly to assume anew character; andas budson distinct trees, growing under different conditions, have sometimes yielded nearly the same variety—for instance, budson peachtrees ...
... the same tree underuniform conditions,has been known suddenly to assume anew character; andas budson distinct trees, growing under different conditions, have sometimes yielded nearly the same variety—for instance, budson peachtrees ...
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... the same species differ from each other in the same manner as do theclosely allied species of the same genus in a stateof nature, but thedifferences inmost casesareless in degree.Thismust be admitted as true, for thedomestic racesof ...
... the same species differ from each other in the same manner as do theclosely allied species of the same genus in a stateof nature, but thedifferences inmost casesareless in degree.Thismust be admitted as true, for thedomestic racesof ...
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... Thesame principles are followedby horticulturists;butthe variations arehere often moreabrupt.Noone supposes that our choicest productions have been produced by a single variation from the aboriginal stock. We have proofs that this is ...
... Thesame principles are followedby horticulturists;butthe variations arehere often moreabrupt.Noone supposes that our choicest productions have been produced by a single variation from the aboriginal stock. We have proofs that this is ...
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... the same varieties; and the diversity of fruit of the same species intheorchard, in comparison with theleaves and flowers ofthe sameset of varieties. See how differenttheleaves of the cabbageare, and how extremely alikethe flowers; how ...
... the same varieties; and the diversity of fruit of the same species intheorchard, in comparison with theleaves and flowers ofthe sameset of varieties. See how differenttheleaves of the cabbageare, and how extremely alikethe flowers; how ...
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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