… They are hermaphrodites, with both male and female reproductive organs in the same individual, but their structure is more complex than their physical body plan. After mating, eggs are fertilized internally and laid in the sea, where they develop into juveniles or Müller's larvae or Goette's larvae, which live a floating life for a while, before metamorphosing into adults. They are generally carnivorous, and eat almost any animal they catch, including small crustaceans, bivalves, and annelids. … *Some of the terminology that mentions "Goette's larva" is listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
… 雌雄同体で,同一個体に雌と雄の生殖器官があるが,体制に比較して,その構造は複雑である。交尾によって体内で受精した卵は海中に産みだされ,発生がすすんで直接幼体になるか,ミュラー幼生Müller’s larvaやゲッテ幼生Goette’s larvaになってしばらく浮遊生活をし,その後変態して成体になる。 一般に肉食性で,小型甲殻類,二枚貝,環形動物などほとんどどんな動物でもとらえたものを食べる。… ※「Goette's larva」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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