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A global model for the origin of species independent of geographical isolation
Date:7/17/2009

world.

"The model we put forward in the paper lays the groundwork for more powerful tests of the role played by natural and sexual selection, as well as habitat complexity in shaping the patterns of biological diversity that we see around us today," said Kaufman. Our insights can be applied to the immense challenge that we now face -- not only to prevent the extinction of a large chunk of life, but also to prevent ourselves from quenching the very forces that fuel the continuous creation of new life forms on earth."

This study is also the fourth in a series from The New England Complex Systems Institute on the role of complexity in species coexistence and evolutionary diversification.

"One can think about the creation of species on the genetic level in the same way we think about the appearance of many patterns, including traffic jams," said Yaneer Bar-Yam, president of The New England Complex Systems Institute and a senior author of the study. "While the spatial environment may vary, specific physical barriers aren't necessary. Just as traffic jams can form from the flow of traffic itself without an accident, the formation of many species can occur as generations evolve across the organisms' spatial habitat."


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Contact: Ronald Rosenberg
ronrosen@bu.edu
617-358-1240
Boston University Medical Center
Source:Eurekalert

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