Charles and Mary Brown have proposed that one reason cliff swallows live in colonies is that colonies serve as information centers.As a bird returns to its nest with food,other adults can observe the prey caught and follow the bird to where it is foraging,thereby increasing individual foraging success.This fits with which of Maynard Smith and Szathmary's processes of major transitions?
A) Economies of scale B) Sacrifice of the ability to reproduce C) Information transfer D) The evolution of developmental complexity