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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... 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 producing nectarines, and buds on common ...
... 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 producing nectarines, and buds on common ...
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... known facts,come tothe conclusion thatseveral wild species of Canidaehave beentamed, and thattheir blood, in some cases mingled together, flowsinthe veins of our domestic breeds.In regard to sheep and goats I can form no decided opinion ...
... known facts,come tothe conclusion thatseveral wild species of Canidaehave beentamed, and thattheir blood, in some cases mingled together, flowsinthe veins of our domestic breeds.In regard to sheep and goats I can form no decided opinion ...
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... known; andthese have not anyofthe characters ofthe domestic breeds. Hence the supposed aboriginal stocks must either still exist inthe countries where they were originally domesticated, and yet be unknowntoornithologists; andthis ...
... known; andthese have not anyofthe characters ofthe domestic breeds. Hence the supposed aboriginal stocks must either still exist inthe countries where they were originally domesticated, and yet be unknowntoornithologists; andthis ...
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... known of crossed descendants revertingtoanancestor of foreign blood, removed by a greater number of generations. In a breed which has been crossed only once the tendency torevertto any character derived fromsuch acrosswill ...
... known of crossed descendants revertingtoanancestor of foreign blood, removed by a greater number of generations. In a breed which has been crossed only once the tendency torevertto any character derived fromsuch acrosswill ...
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... known record of pigeons is in the fifth Aegyptian dynasty, about 3000 B.C., as was pointed out to me byProfessor Lepsius; but Mr. Birchinforms methat pigeons are giveninabill of farein the previousdynasty. In the timeofthe Romans, as we ...
... known record of pigeons is in the fifth Aegyptian dynasty, about 3000 B.C., as was pointed out to me byProfessor Lepsius; but Mr. Birchinforms methat pigeons are giveninabill of farein the previousdynasty. In the timeofthe Romans, as we ...
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Другие издания - Просмотреть все
The Origin of Species: By Means of Natural Selection Or the Preservation of ... Charles Darwin Недоступно для просмотра - 2011 |
On the Origin of Species: By Means of Natural Selection; Or the Preservation ... Charles Darwin Недоступно для просмотра - 2017 |
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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