...This phenomenon was first discovered by A. von Chamisso in a planktonic protochordate called Salpa . In this animal, a generation that reproduces sexually and lives alone alternates with a generation that reproduces asexually and lives in colonies, and J. J. Steenstrup (1813-97) of Denmark named this phenomenon "alteration of generations" (1841). The moon jellyfish, which are common along the coasts of Japan, also exhibit a clear alternation of generations. ... *Some of the terminology references "Steenstrup, JJS" are listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…この現象はシャミッソーA.von ChamissoがサルパSalpaという浮遊性の原索動物ではじめて発見した。そして,この動物では有性生殖を行って単独で生活する世代と,無性生殖を行って群体生活を営む世代が交互に現れるために,この現象をデンマークのステーンストルプJ.J.S.Steenstrup(1813‐97)が〈世代交代〉と呼んだ(1841)。 日本の沿岸に多いミズクラゲも明りょうな世代交代を行う。… ※「Steenstrup,J.J.S.」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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