support, protection, and movment vocab

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Across
  1. 6. appendages near mouth
  2. 7. pigment containing cells
  3. 10. mass- part of a mollusk body
  4. 12. small opening, water enter
  5. 14. jaw mouth parts, chewing
  6. 17. outer cell layer in embryo
  7. 19. large opening, water exit
  8. 21. head region of tapeworm
  9. 22. internal, in humans
  10. 23. sensory organ
  11. 24. flexible protein
  12. 26. bristle structure, for movement
  13. 30. wave muscle, help crawl
  14. 32. middle body section, legs and wings attach
  15. 33. the rear section, digestion and reproduction
  16. 36. thickened band, secretes mucus
  17. 37. pincer mouth parts, grasp
  18. 38. skeleton- fluid, maintain shape
  19. 39. free swimming, jelly fish
  20. 40. stinging capsules shoot toxins
  21. 41. central cavity in sponge
  22. 42. inner cell layer in embryo
Down
  1. 1. hard, outer to protect
  2. 2. ciliated groove in mouth
  3. 3. fused head, thorax region
  4. 4. tiny, hard, form skeleton
  5. 5. body segment, reproductive organs
  6. 8. stinging cell
  7. 9. cells- amoeboid cells
  8. 11. sessile, tube shaped
  9. 13. flat cells
  10. 14. jelly layer, between endo and ecto
  11. 15. hard shell, covering
  12. 16. protective outer, parasite worm
  13. 18. tissue that covers visceral mass
  14. 20. collar cells, water
  15. 25. paired mouthparts, manipulate food
  16. 27. middle layer in embryo
  17. 28. division of body
  18. 29. cell that can change
  19. 31. organs in the front
  20. 34. tubular cells, make pores
  21. 35. a beak projection