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5 Written questions

5 Multiple choice questions

  1. sexualy
  2. sea urchin, sea cucumber, sea star, sand dollar
  3. have spines to ward off predators
  4. 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
  5. tubed feet they also have a water vascular system

5 True/False questions

  1. can echinoderms regenerateyes


  2. where do echinoderms livespiny-skinned


  3. What does echinoderm meanlive in water


  4. Are echinoderms hermaphroditesno they have separate sexes


  5. do echinoderms have brainsyes