…Polymorphism is the coexistence of two or more types of individuals that differ in morphology or some other characteristic in a population of the same species. In organisms that have a distinction between males and females, the size, shape, color, etc. are often different, and in this case it is called sexual dimorphism. In contrast, in social insects such as bees and ants, individuals that perform different functions coexist, and this is called social polymorphism. … *Some of the terminology that mentions "sexual dimorphism" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…同一種の生物集団に形態やその他なんらかの形質について異なった2種類以上の個体が共存することを多型という。雌雄の区別がある生物では,大きさ,形,色などが違うことが多く,この場合を性的二型sexual dimorphismという。これに対してハチやアリのような社会性昆虫では違った働きをする個体が共存しており,これを社会的多型social polymorphismという。… ※「sexual dimorphism」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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