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5 Written questions

5 Multiple choice questions

  1. uses 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
  2. yes
  3. tubed feet they also have a water vascular system
  4. no
  5. have spines to ward off predators

5 True/False questions

  1. How do v find food, shelter, and matescrawling along ocean bottom


  2. Are echinoderms hermaphroditesno they have separate sexes


  3. Do echinoderm have an internal skeletonyes they have an endoskeleton made of plates


  4. What does echinoderm meanspiny-skinned


  5. what does water vascular system meansystem of fluid-filled tubes used by echinoderms in locomotion and feeding and respiration


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