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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... allied species has a narrow range and is rare? Yet these relations areof the highest importance, forthey determinethepresent welfareand, asI believe, the futuresuccess and modification of everyinhabitant of this world.Still lessdowe ...
... allied species has a narrow range and is rare? Yet these relations areof the highest importance, forthey determinethepresent welfareand, asI believe, the futuresuccess and modification of everyinhabitant of this world.Still lessdowe ...
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... allied species, we generallyperceivein each domesticrace,as already remarked, lessuniformityof character thanintrue species. Domestic races often have a somewhat monstrous character; by which I mean, that, although differing from ...
... allied species, we generallyperceivein each domesticrace,as already remarked, lessuniformityof character thanintrue species. Domestic races often have a somewhat monstrous character; by which I mean, that, although differing from ...
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... allied species of the same genus in a stateof nature, but thedifferences inmost casesareless in degree.Thismust be admitted as true, for thedomestic racesof many animals and plants have been ranked by some competent judges as the ...
... allied species of the same genus in a stateof nature, but thedifferences inmost casesareless in degree.Thismust be admitted as true, for thedomestic racesof many animals and plants have been ranked by some competent judges as the ...
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... allied to thecarrier, but, instead ofalong beak,has a very short and broad one. The pouter has a much elongated body, wings, and legs;and its enormously developed crop, whichit glories in inflating, may well excite astonishment and even ...
... allied to thecarrier, but, instead ofalong beak,has a very short and broad one. The pouter has a much elongated body, wings, and legs;and its enormously developed crop, whichit glories in inflating, may well excite astonishment and even ...
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... allied species. Some effect may be attributed to the direct and definite action ofthe external conditions oflife,and some tohabit; buthe would be a bold man who would account by such agencies for the differences between a dray and ...
... allied species. Some effect may be attributed to the direct and definite action ofthe external conditions oflife,and some tohabit; buthe would be a bold man who would account by such agencies for the differences between a dray 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