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News Release 10-019
Evolution Impacts Environment, Study Finds
Results change scientists' thinking about relationship between evolution and ecology
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A male and female guppy in a natural stream in Trinidad, site of the recent study.
Credit: Paul Bentzen
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An artificial stream in which biologists studied the relationship between ecology and evolution.
Credit: Ron Bassar
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Guppies in two artificial streams in Trinidad affected the ecosystem differently.
Credit: David Reznick
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Study results show differences in the impact of high- vs. low-predation guppies.
Credit: Ron Bassar
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Two copper "quadrats" in the artificial stream measure the impact of the guppies.
Credit: Mike Marshall
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