Animales simples: entendiendo a los equinodermos

The video introduces echinoderms, a group of marine animals including starfish, sea urchins, and sand dollars. Echinoderms are characterized by spiny skin, radial symmetry, and an internal skeleton. They inhabit ocean environments and possess unique anatomical features like sucking legs connected to a vascular system, aiding in movement and food acquisition.

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