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New paper offers key insights into how new species emerge
Date:2/5/2009

seed that germinates in the beginning of another.

But in a plot twist, the apple wasp's ancestors appear to have come from a Rhagoletis fly infesting blueberries rather than hawthorns one turn does not always lead directly to another.

"The idea that there are 'speciation cascades' operating in nature has important applications not only for understanding the process of speciation, but also for theories concerning how biodiversity reforms following mass extinction events, for why certain groups of organisms with certain lifestyles may be more diverse than others, and for why certain areas of biotic regions may have more life forms than others," Feder said.

Where Darwin once traveled to the Galapagos Islands and sleuthed to other far-flung places in pursuit of the origins of species, the research on the apple fly and the apple wasp reveals that important clues to solving his ultimate "mystery of mysteries" can be found all around us, happening right before our eyes in our own back yards.


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Contact: Jeffrey Feder
jfeder@nd.edu
University of Notre Dame
Source:Eurekalert

Page: 1 2

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