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THE ORIGIN OF SPECIES Page
special endowment but incidental on other differences Centres of creation Means of dispersal by changes
BIOGRAPHICAL NOTE V CHAPTER V
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according action adapted admit allied America animals appear become believe belonging birds body breeds called cause certain characters closely colour common considered continued crossed descended developed difficulty distinct domestic doubt effects existing extinct extremely fact fertility flowers follow formation forms genera genus give given greater groups habits hand hybrids important increase individuals inhabitants inherited insects instance instincts intermediate islands kind known land laws less living look male manner means modified namely natural selection naturalists nearly never objects observed occur organs origin parent perfect period plants points present principle probably produced progenitor races reason relation remarks resemblance respect seeds seems seen separated serve side similar single slight sometimes species stage sterility structure successive supposed tend theory tion variable variations varieties various vary whole widely young