出典:Wiktionary
zooid (複数形 zooids)
zooid (comparative more zooid, superlative most zooid)
出典:Wikipedia
出典:『Wikipedia』 (2011/05/16 00:24 UTC 版)
A zooid or zoöid /ˈzoʊ.ɔɪd/ is a single animal that is part of a colonial animal. The zooids can either be directly connected by tissue (e.g. corals, Catenulida, Siphonophorae or Ectoprocta) or share a common exoskeleton (e.g. Bryozoa or Pterobranchia). The colonial organism as a whole is called a zoon /ˈzoʊ.ɒn/, plural zoa.