saltationism


saltationism
saltationist, n.
/sal tay"sheuh niz'euhm/, n. Biol.
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.
[1970-75; SALTATION + -ISM]

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Universalium. 2010.

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