Echinoderms Crossword!!!!

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Across
  1. 5. Stomach that is turned inside out through it's mouth
  2. 7. up the endoskeleton/ Ossicles
  3. 10. Aid in movement, feeding, and respiration
  4. 11. Radial Symmetry
  5. 13. Symmetry in sea star larvae
  6. 15. Spiny
  7. 17. Large marsupial
  8. 19. exoskeleton/ Test
  9. 20. that contains sea cucumbers/ Holothuroidea
Down
  1. 1. Skin
  2. 2. Class that contains sea urchins and sand dollars
  3. 3. Flying mammal
  4. 4. where the mouth is located/ Oral
  5. 6. Has a trunk
  6. 8. Class that contains sea stars
  7. 9. Likes to chase mice
  8. 11. Connects cardiac stomach to digestive glands
  9. 12. keep the surface of the body clean/ Pedicellaria
  10. 14. End of each tube feet
  11. 16. Man's best friend
  12. 18. Opposite from mouth