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.

Evolutionary Ecology Research 1: 151-171. Linhart YB 1999. Mosaic landscapes, family structure, and evolution. Trends in Ecology & Evolution.14:376-377. Snyder MA and YB Linhart . 1998. Subspecific ...