Outcompeted: Species competition may result in geographic isolation

Mongabay
By Tiffany RoufsOct 3, 2014, 11:34 am88 pts
Scientists have long believed that gene flow and species dispersal is only interrupted by physical barriers, like mountain ranges, rivers or even the complete disappearance of a suitable habitat. But new research into the distribution of two mouse opossum species in South America suggests that other factors may…

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