世せ代だい交こう代たい

noun

alternation of generations; heterogenesis

Biological term for the life cycle where organisms alternate between sexual and asexual reproduction phases.

• 植しょく物ぶつの世せ代だい交こう代たいは、胞ほう子し体たいと配偶体ぐうはいたいの間あいだで起おこる。

  Alternation of generations in plants occurs between the sporophyte and gametophyte.

noun

generational change; emergence of a new generation

General term for a shift in leadership, workforce, or cultural dominance from an older generation to a younger one.

• 会かい社しゃの世せ代だい交こう代たいが進すすみ、若わかい社しゃ長ちょうが就しゅう任にんした。

  The generational change at the company progressed, and a young president took office.