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5 Written questions

5 Multiple choice questions

  1. have spines to ward off predators
  2. 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
  3. live in water
  4. tubed feet they also have a water vascular system
  5. no they have separate sexes

5 True/False questions

  1. What animals are part of the phylum echinodermsea urchin, sea cucumber, sea star, sand dollar


  2. What are tubed feetspiny-skinned


  3. what kind of symmetry do echinoderm havetubed feet they also have a water vascular system


  4. Do echinoderm have an internal skeletonno


  5. can echinoderms regenerateno