adaptive radiation The evolution of various divergent life-forms from a primitive and unspecialized ancestor. As the original population spreads out from its center of origin to exploit new habitats and food sources, new populations emerge, each adapted to its particular environment. Eventually, these become sufficiently distinct to be recognized as new species. Related category • ORIGIN AND EVOLUTION OF LIFE Also on this site: Encyclopedia of Alternative Energy & Sustainable Living Encyclopedia of History Transport Concepts & Designs (partner site) |