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Sea and Sky: Echinoderms
[ Teens/Mature Teens ] A brief description of the phylum followed by a long list of photographs.
[ Teens/Mature Teens ] Provides answers to frequently-asked questions about starfish, including how they move, breathe and digest their food. Written by a marine biologist.
Last update:January 5, 2016 at 13:54:02 UTC
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