Achilles Tang Posted July 28, 2009 Share Posted July 28, 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. 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. View the full article Quote Link to comment Share on other sites More sharing options...
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