This Strange Organism Hasn't Evolved in More Than 2 Billion Years

February 3, 2015 5:07 PM

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Scientists may have discovered an organism that has simply stalled in evolutionary terms. They've found a type of deep-sea microorganisms that appears to not have evolved for over two billion years.

In this case, the researchers examined sulfur bacteria, which are microorganisms that are too small to see with the naked eye. These microorganisms were preserved in rocks from Western Australia's coastal waters, and are about 1.8 billion years old. The scientists examined the bacteria and found tha...

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