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5 Written questions

5 Multiple choice questions

  1. crawling along ocean bottom
  2. sea urchin, sea cucumber, sea star, sand dollar
  3. have spines to ward off predators
  4. system of fluid-filled tubes used by echinoderms in locomotion and feeding and respiration
  5. no

5 True/False questions

  1. where do echinoderms livelive in water


  2. Are echinoderms hermaphroditesyes


  3. What are tubed feetsucker-like appendages used for moving and capturing prey


  4. What does echinoderm meanlive in water


  5. How do sea stars eatuses its tubed feet to pull open and insert its stomach to start digesting the prey. Digestive chemicals break down the bivalves tissues and the sea star sucks in the partially digested body of its prey


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