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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... new varieties: our oldest domesticated animals are stillcapable ofrapid improvement ormodification. As farasI am ableto judge, after long attending tothe subject, the conditions of life appear to act in two ways—directly C H A P T E R I ...
... new varieties: our oldest domesticated animals are stillcapable ofrapid improvement ormodification. As farasI am ableto judge, after long attending tothe subject, the conditions of life appear to act in two ways—directly C H A P T E R I ...
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Charles Darwin. the conditions of life appear to act in two ways—directly on the whole organisation or on certain parts alone and in directly by affecting thereproductive system. With respect to the direct action, we must bear in mind ...
Charles Darwin. the conditions of life appear to act in two ways—directly on the whole organisation or on certain parts alone and in directly by affecting thereproductive system. With respect to the direct action, we must bear in mind ...
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... appears that white sheep and pigs are injured by certain plants, while darkcolored individuals escape: Professor Wyman has recently communicated to me agood illustration ofthis fact; on askingsome farmersin Virginiahow itwas thatall ...
... appears that white sheep and pigs are injured by certain plants, while darkcolored individuals escape: Professor Wyman has recently communicated to me agood illustration ofthis fact; on askingsome farmersin Virginiahow itwas thatall ...
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... appears, and we see it in the fatherand child,we cannot tell whether itmay notbedue to thesamecause having acted on both;but when among individuals, apparentlyexposed to the same conditions, any very rare deviation, due to some ...
... appears, and we see it in the fatherand child,we cannot tell whether itmay notbedue to thesamecause having acted on both;but when among individuals, apparentlyexposed to the same conditions, any very rare deviation, due to some ...
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... appear only in the offspring when nearly mature; peculiarities inthesilkworm areknown to appear atthe corresponding caterpillarorcocoon stage. Buthereditary diseases and someother facts makeme believe that therule hasa wider extension ...
... appear only in the offspring when nearly mature; peculiarities inthesilkworm areknown to appear atthe corresponding caterpillarorcocoon stage. Buthereditary diseases and someother facts makeme believe that therule hasa wider extension ...
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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