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'''Sympatric speciation''', unlike [[allopatric speciation]], does not require large-scale geographic distance to reduce gene flow between parts of a population. Merely exploiting a new niche may automatically reduce [[gene]] flow with individuals exploiting the other niche. This may occasionally happen when, for example, herbivorous insects try out a new host plant. Sympatric speciation has never been observed in the real world.
[[Category:Evolution]]
[[Category:Evolution]]