Adjective modifier

• phyletic: Eldredge, N. and Gould, S.J. ( 1972 ) Punctuated equilibria: An alternative to phyletic gradualism.

• reformist: Under pressure from its rank and file, its strategy of reformist gradualism was being replaced by calls for revolution.

Preposition: in

• evolution: Gradualism: Intrinsically bound up with Darwin's theory is the notion of gradualism in evolution at all scales.