Species constantly engage in strong interactions with other species - parasites, predators, prey, and mutualists. As a result, their traits may coevolve and diversify in geographic mosaics.

This rule is frequently modulated by adaptive enlargement of useful brain parts: so-called mosaic evolution. Because of mosaic evolution, the superior colliculus might be ten times larger in a ...

1999. Thyme is of the essence: Biochemical polymorphism and multi-species deterrence. Evolutionary Ecology Research 1: 151-171. Linhart YB 1999. Mosaic landscapes, family structure, and evolution.