Detailed text transcripts for TV channel - DW - 20171214:07:42:00
A monarchs and certain mollusks died out so what we're looking at here are the remnants of a major ecological crisis. but some test this ocean species did survive perhaps because they lived in the seas deeper sections instead of the shallower waters. it's a question that's of acute interest to stephan keel from the swedish museum of natural history in stockholm. the shine on this mare or rocky see is a plateau in the back to scott alps here he finds layers of stone that were once home to masses of brachiopods another group of hard shelled animals. and one of these valves open up a little they ...
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