News From the Field
Sex in the Caribbean: Environmental Change Drives Evolutionary Change--Eventually
August 3, 2009
Hungry, sexual organisms replaced well-fed, clonal organisms in the Caribbean Sea as the Isthmus of Panama arose, separating the Caribbean from the Pacific, report researchers from the Smithsonian Tropical Research Institute and Scripps Institution of Oceanography. The fossil record shows that if a species could shift from clonal to sexual reproduction it survived. Otherwise it was destined for extinction, millions of years later.
Smithsonian Tropical Research Institute
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