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News From the Field

Evolution Can Occur in Less Than 10 Years


June 10, 2009

guppies How fast can evolution take place? In just a few years, according to a new study on guppies led by Swanne Gordon, a graduate student in the department of biology at the University of California, Riverside. Gordon and her colleagues found that guppies introduced to a low-predation environment adapted to their new environment by producing larger and fewer offspring with each reproductive cycle. No such adaptation was seen in guppies that colonized a high-predation environment. Full Story

Source
University of California, Riverside

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