...Also, using this allopatric speciation as a model, patterns of morphological change in ancient organisms are being reexamined. In organisms where polyploidy is common, sympatric speciation is possible, and some scholars consider speciation due to disruptive selection or ecological causes, but there is no doubt that in many cases geographic isolation is the trigger for speciation. [Hayami Kaku]... *Some of the terminology explanations that mention "sympatric speciation" are listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…またこの異所的種分化allopatric speciationをモデルにして,古生物の形態変化のパターンが再検討されている。倍数性が普通にみられる生物では同所的種分化sympatric speciationの可能性があり,分断淘汰や生態的な原因による種分化を考える学者もあるが,多くの場合地理的隔離が種分化のきっかけとなることは疑いない。【速水 格】。… ※「sympatric speciation」について言及している用語解説の一部を掲載しています。 出典|株式会社平凡社世界大百科事典 第2版について | 情報 |
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