Sex In The Caribbean

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Sex In The Caribbean

Postby wolfhnd on October 13th, 2009, 11:02 pm 

ScienceDaily (Oct. 13, 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. ... 223020.htm
Tiny bryozoans in sediments dredged up from the bottom of the Caribbean Sea reveal that environmental change drove evolution. (Credit: Aaron O'Dea)

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