Want to learn more about how a sea urchin eats? Watch this video to see a sea urchins using their sensory tube feet to catch drifting kelp and carry it to its mouth on the underside. Also view how the sea urchin uses its five-part jaw to efficiently cut off pieces to eat. [3:25]

Concepts

echinoderms

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Additional Tags

urchin, echinoderms: urchin time-lapse eating kelp, sea studios foundation, shape of life, sea urchins

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Classroom Considerations

• Knovation Readability Score: 2 (1 low difficulty, 5 high difficulty)