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