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    • Sea urchin eating a stalked crinoid.
    Rights: National Institute of Water and Atmospheric Research (NIWA) Published 3 December 2007 Size: 120 KB Referencing Hub media

    Sea urchins graze on phytoplankton deposits in summer but in winter will eat anything they can find; this one is eating a stalked crinoid.

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      ARTICLE

      Week 8: Food web of the Ross Sea

      The Ross Sea in Antarctica is home to a huge number of different organisms. Tiny plants called phytoplankton are found floating in the water or frozen in sea ice. They get eaten by herbivores ...

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