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Speciation, the formation of new and distinct species in the course of evolution. Speciation involves the splitting of a single evolutionary lineage into two or more genetically independent lineages.
Sympatric speciation is the formation of new species where the genetic modification has been based on a single ancestor. As the term sympatric implies, the geographic range is the same for both the new and former species.ympatric speciation is the formation of new species where the genetic modification has been based on a single ancestor. As the term sympatric implies, the geographic range is the same for both the new and former species.