What do echinoderms have instead of a brain

Question 1. How many parts are there in the symmetry of a sea star?

Question 2. Do sea stars have an endoskeleton or an exoskeleton?

Question 3. Describe their skeletal system.

Question 4. What do echinoderms have instead of a brain?

Question 5. Echinoderms do not have eyes. How do they find their food?

Question 6. What type of system powers the tube feet to allow for movement?

Question 7. Explain how sea stars eat (for example the mussel).

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What do echinoderms have instead of a brain : How many parts are there in the symmetry of a sea star and What do echinoderms have instead of a brain

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