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| 1. | In beetles, their hardened elytra is actually their __________. | 
| 2. | This is the body region that contains the eyes, antennae, and mouthparts. | 
| 3. | Leg segment of insects | 
| 4. | An insects "tongue" | 
| 6. | The study of shapes and structures | 
| 8. | Many aquatic insects use ______ to get oxygen out of the water. | 
| 11. | This works like an eardrum for insects to hear. Some even have them on their legs! | 
| 12. | These are used by an insect to sense their environment | 
| 14. | Grasshoppers have ________ mouthparts. | 
| 15. | An insect's exoskeleton is made of ________. | 
| 16. | Tiny holes in an insects body that it uses to breathe | 
| 18. | An insect has ____ legs. | 
| 19. | An insects lower lip | 
| 22. | An insects leg segment closest to its body | 
| 23. | An insect has _______ body regions. | 
| 25. | An insect has an ________ circulatory system. | 
| 26. | Flies are different from other insects because they only have ____ wings. |