Because the thrushes that prey on banded woodland snails hunt by search image, scanning the leaf litter for whatever shell pattern has lately rewarded them, any rare morph that (i) ______ the thrushes' (ii) ______ can multiply quickly, until its very abundance teaches the birds to seek it and selection begins rewarding whichever newer variant happens to (iii) _______ the now-familiar pattern-a cycle that, repeated across many generations, keeps a single population strikingly varied in color long after any one morph might have seemed destined to prevail.

Blank (i)	Blank (ii)	Blank (iii)
A. eludes	D. bane	G. diverge from
B. mimics	E. indifference	H. converge on
C. gratifies	F. predilection	I. accentuate