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Long-held assumption about emergence of new species questioned
Date:9/2/2013

nes' is potentially irrelevant to understanding the origin of species," Rabosky said. "But our study is certainly not going to be the final word on this. If anything, our results indicate that a lot more data will be needed before we can conclusively link the mechanisms we usually study in the lab to the patterns of species formation we see in the natural world."

The researchers speculated that part of what is missing from speciation studies is, paradoxically, extinction. Some researchers have suggested that speciation might be limited primarily by factors associated with the persistence of new species. These models propose that it is relatively easy for a species to split into new species, but the vast majority of new species do not persist over geological timescales.


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Contact: Jim Erickson
ericksn@umich.edu
734-647-1842
University of Michigan
Source:Eurekalert

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