Lake Tanganyika, the oldest of the Great Ancient Lakes in East Africa, harbors about 250 species of cichlid fish which evolved from a single ancestor into a diverse group of species that each exploits the resources of the lake environment in a different way. The evolution of one species of cichlid into many species within Lake Tanganyika is an example of

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The evolution of one species of cichlid into many species within Lake Tanganyika is an example of adaptive radiation. Adaptive radiation is a process in which a single species diversifies into several new species, each adapted to a unique ecological niche or similar adaptive trait. In this case, the cichlids evolved into many different species each exploiting different resources within the lake.

Lake Tanganyika, the Oldest of the Great Ancient Lakes in East