Marine animals suggest evidence for a trans-Antarctic seaway

This item was filled under Climate
A tiny marine filter-feeder that anchors itself to the sea bed offers new clues to scientists studying the stability of the West Antarctic Ice Sheet -- a region that is thought to be vulnerable to collapse. Scientists analyzed sea-bed colonies of bryozoans from coastal and deep sea regions around the continent and from further afield. They found striking similarities in particular species of bryozoans living on the continental shelves of two seas -- the Ross and Weddell -- that are around 1,500 miles apart and separated by the West Antarctic Ice Sheet....
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