saltationism

/sal-tey-shuh-niz-uhm/US // sælˈteɪ ʃəˌnɪz əm //

盐主义,咸水主义,盐碱地主义,咸鱼翻身主义

Definitions

n.名词 noun

1
Biology.
- : any of several theories holding that the evolution of species proceeds in major steps by the abrupt transformation of an ancestral species into a descendant species of a different type, rather than by the gradual accumulation of small changes.