Melting Arctic Ice Marks Possible Sea Change in Marine Ecosystems

Melting Arctic Ice Marks Possible Sea Change in Marine Ecosystems
By Wynne Parry
June 26, 2011
LiveScience.com

"A single-celled alga that went extinct in the North Atlantic Ocean about 800,000 years ago has returned after drifting from the Pacific through the Arctic thanks to melting polar ice."

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