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Take the SurveyWhat are Cnidarians? (Webisode 165) Back to Webisodes »
Summary
In this biology Blue World, Jonathan examines the phylum Cnidaria, a group of animals containing the jellyfish, anemones, corals, hydroids and other squishy, stingy critters! Your teacher might make you watch this for biology class, but you probably will like it!
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