Abstract: Sympatric speciation requires coexistence of the newly formed species. If divergence proceeds by small mutational steps, the new species utilize almost the same resources initially, and full ...

How do new species form? Like most areas of Evolutionary Biology, research related to the formation of new species - 'speciation ' - is rich in historical and current debate. Here, we review both ...

The Midas cichlid fish from the crater lakes of Nicaragua are one of the the best known examples for sympatric speciation. They evolved from a source population into a variety of independent species ...

Annals of Botany, Vol. 109, No. 2 (February 2012), pp. 351-363 (13 pages) • Background and Aims Studies examining patterns and processes of speciation in South America are fewer than in North America ...