Sex In The Caribbean: Environmental Change Drives Evolutionary Change, Eventually
Monday, October 12, 2009 - 23:07
in Paleontology & Archaeology
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.