Approximately how old are the oldest known fossils of living organisms?

0 votes
    1.4 billion years
    3.4 billion years
    4.5 trillion years
    3.4 million years
    14 million years
asked May 19, 2013 in Biology by anonymous
    

1 Answer

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3.4 billion years
answered May 20, 2013 by Bioshare ~Top Expert~ (34,070 points)

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