Thursday, June 18, 2009

Evolution can occur in less than 10 years

Guppies are small fresh-water fish that biologists have studied for long. Credit: Paul Bentzen
How fast can evolution take place? In just a few years, according to a new study on guppies led by UC Riverside's Swanne Gordon, a graduate student in biology.

"This shows that adaptive change can improve survival rates after fewer than ten years in a new environment," Gordon said. "It shows, too, that evolution might sometimes influence population dynamics in the face of environmental change."



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