Friday, March 21, 2014

The Sea Urchin, Channel Islands

Photo: Close-up of a blue sea urchin

Sea Urchin, Channel Islands


Sea urchins brandish their spines on the seafloor near the Channel Islands. Scientists recently discovered that the eyeless invertebrates “see” by detecting light with their spines.







(source:google/http://ocean.nationalgeographic.com/)

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