Ancient worms may have saved Earth | #Geology #GeologyPage You - TopicsExpress



          

Ancient worms may have saved Earth | #Geology #GeologyPage You can credit your existence to tiny wormlike creatures that lived 500 million years ago, a new study suggests. By tunneling through the sea floor, scientists say, these creatures kept oxygen concentrations at just the right level to allow animals and other complex life to evolve. The finding may help answer an enduring mystery of Earth’s past. Read more : geologypage/2014/08/ancient-worms-may-have-saved-earth.html Geology geologypage
Posted on: Fri, 15 Aug 2014 07:00:00 +0000

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