Wednesday, 13 April 2011

Complex life left the seas earlier than thought

These clusters of cells are 1 billion years old, the oldest to appear in freshwater/land ecosystems.Life on Earth began in the oceans, but new fossils are showing that complex algae-like organisms left these salty seas earlier than thought, about 1 billion years ago, and spent more time evolving on land.


Source: http://www.msnbc.msn.com/id/42578458/ns/technology_and_science-science/

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