Across
- 5. What are the chitin-lined internal pockets containing many blood-filled plates over which air circulates called in land dwelling arthropods?
- 7. Most eyes on arthropods only do this.
- 9. What is the period of shedding the old exoskeleton called?
- 10. What is the outer layer on the exoskeleton called?
- 14. The only invertebrates that are capable of flying are?
- 15. The arthropod nervous system consists of a what brain and a ventral, ganglionated longitudinal nerve cord?
- 16. What subphylum has elongate; many trunk segments, each with 1 pair of legs; 2 pairs of maxillae covered by a large pair of poison claws representing the first pair of trunk appendages; eyes, if present, are simple ocelli;
- 18. the middle section of an insect is called?
- 19. The outer layer in the exoskeleton of terrestrial arthropods has this to reduce evaporation water loss?
- 20. The interval between molts is called what?
Down
- 1. Antennae branched; a pair of maxillae; 9–11 trunk segments bearing legs; gonopores on third trunk segment as in diplopods
- 2. When losing a limb to a predator or other thing what will an arthropod do?
- 3. Approximately how many plants are pollinated by insects?
- 4. What bugs play an important part of decomposition for humans?
- 6. Where do the largest arthropods live?
- 8. When arthropods move their legs on either side they are said to?
- 11. What type of eyes are good at detecting motion on arthropods?
- 12. What creatures are known to be the most abundant on earth?
- 13. Primitive insects, such as what, have the adult form on hatching
- 16. The largest group of arthropods which are burrowers are?
- 17. The second stage after egg which most arthropods take.
