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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... inheritance, any selected variety willtendto propagate its new and modified form. This fundamental subject ofnatural selection willbetreatedat some lengthinthe fourthchapter; andwe shall thenseehow natural selection almost inevitably ...
... inheritance, any selected variety willtendto propagate its new and modified form. This fundamental subject ofnatural selection willbetreatedat some lengthinthe fourthchapter; andwe shall thenseehow natural selection almost inevitably ...
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... INHERITANCE Changedhabits produce an inherited effect as in theperiod ofthe flowering ofplants when transported from one climate toanother. With animals the increased use or disuse of parts has had a more marked influence; thus I find ...
... INHERITANCE Changedhabits produce an inherited effect as in theperiod ofthe flowering ofplants when transported from one climate toanother. With animals the increased use or disuse of parts has had a more marked influence; thus I find ...
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... inherited development of the udders in cows and goats in countries where they are habitually milked, in comparison with these organs inother countries, isprobably another instance of the effects ofuse. Notoneof ourdomesticanimals can ...
... inherited development of the udders in cows and goats in countries where they are habitually milked, in comparison with these organs inother countries, isprobably another instance of the effects ofuse. Notoneof ourdomesticanimals can ...
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... inherited is unimportantfor us.But the number and diversity of inheritable deviations of structure, both those of ... inheritance; that like produces likeishis fundamental belief: doubts have been thrown on this principle only by ...
... inherited is unimportantfor us.But the number and diversity of inheritable deviations of structure, both those of ... inheritance; that like produces likeishis fundamental belief: doubts have been thrown on this principle only by ...
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... inheritance are for themost partunknown; no one can say why the same peculiarity in different individuals of the samespecies, or in different species, is sometimes inherited and sometimes not so;whythe child often revertsincertain ...
... inheritance are for themost partunknown; no one can say why the same peculiarity in different individuals of the samespecies, or in different species, is sometimes inherited and sometimes not so;whythe child often revertsincertain ...
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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