Simple Animals: Understanding Echinoderms

The video introduces starfish as part of the Echinodermata group, highlighting their spiny skin and radial symmetry. It explains that echinoderms, including sea urchins, sea stars, sand dollars, and sea cucumbers, inhabit oceans. The anatomy of echinoderms, featuring an internal skeleton and tube-like feet connected to a water vascular system, is discussed, emphasizing their ability to move and obtain food.

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