sea star: Sensory Tentacles

Each arm has a short sensory tentacle at its end that responds to chemicals and vibrations in the water, and a red photosensitive eyespot. A sea star often lifts the end of an arm to perceive light and movement.

Sections in this article:

• Introduction
• Classification
• Reproduction
• Predation
• Sensory Tentacles
• Tube Feet

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