Sulfur Bacteria: Defying or Supporting Evolution?

In early 2015, scientists found a type of deep-sea bacteria off the coast of Australia that haven’t shown evidence of change in approximately 2.3 billion (yes, billion) years. This threw some people for a loop.

When we’re taught to believe that organisms are constantly changing within their environments, how could this be possible? Doesn’t this defy everything we’ve learned about evolution?

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