9 Sea Urchin Facts

Teeth

The tiny organism also possesses a set of five teeth which are found at the bottom of the body. As in the case of all other organisms, sea urchins use their teeth to ingest and breakdown food material. Interestingly, the teeth keep on growing throughout the lifespan of the animal. The arrangement of the teeth is in a circular form which is referred to as Aristotle’s lantern.

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