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New evidence shows mobile animals could have evolved much earlier than

Harlequinmania

By Harlequinmania,
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Harlequinmania

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Billions of years before life evolved in the oceans, thin layers of microbial matter in shallow water produced enough oxygen to support tiny, mobile life forms.

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1000 Gallon Tank in the Hole 

http://www.sgreefclub.com/forum/topic/120957-1000-gallon-3d-hole-in-the-wall/ 

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