ARTHROPODS CROSSWORD

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Across
  1. 2. Stage between larva and adult
  2. 11. Biting mouthparts
  3. 12. Second pair of appendages in arachnids
  4. 13. Large claw of a crustacean
  5. 14. Type of circulatory system arthropods have
  6. 16. Tough outer covering of arthropods
  7. 17. Development type with egg, larva, pupa, adult
  8. 19. Arthropod group including spiders
  9. 21. Body region where wings attach
  10. 22. Substance delivered by centipede claws
  11. 23. Immature stage in incomplete metamorphosis
  12. 24. Mouthparts of arachnids
  13. 26. Early extinct arthropod
  14. 27. Process of shedding the exoskeleton
  15. 28. Gas exchange structure in aquatic arthropods
  16. 29. Appendage used for swimming in crustaceans
Down
  1. 1. Arthropod group with two pairs of antennae
  2. 3. Hard substance the exoskeleton is made of
  3. 4. Saclike respiratory structure in spiders
  4. 5. Type of eye with many facets
  5. 6. Chemical communication signal
  6. 7. Groups within insect societies
  7. 8. Arthropod group with three pairs of legs
  8. 9. Silk-producing structure in spiders
  9. 10. Opening where air enters an insect body
  10. 15. Fused body region found in arachnids
  11. 18. First stage of complete metamorphosis
  12. 20. Jointed body parts
  13. 21. Respiratory tubes in insects
  14. 25. Insect body region containing digestive organs