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Rocky Shore
sea urchins
Humans and the Rocky Shore
Sublittoral Zone
Littoral Fringe
Abiotic Factors
Midlittoral Zone
Food Chain
Sources used to make this website

Purple Sea Urchin!
Diet- The purple sea urchin primarily feeds on seaweed.
Anatomy- The purple Sea Urchin is violet in color.  Its appearence is bright and flower-like.
Interesting Fact- Young purple sea urchins are green.