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