General Features of Arthropods

1234567891011121314151617181920
Across
  1. 5. What are the chitin-lined internal pockets containing many blood-filled plates over which air circulates called in land dwelling arthropods?
  2. 7. Most eyes on arthropods only do this.
  3. 9. What is the period of shedding the old exoskeleton called?
  4. 10. What is the outer layer on the exoskeleton called?
  5. 14. The only invertebrates that are capable of flying are?
  6. 15. The arthropod nervous system consists of a what brain and a ventral, ganglionated longitudinal nerve cord?
  7. 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;
  8. 18. the middle section of an insect is called?
  9. 19. The outer layer in the exoskeleton of terrestrial arthropods has this to reduce evaporation water loss?
  10. 20. The interval between molts is called what?
Down
  1. 1. Antennae branched; a pair of maxillae; 9–11 trunk segments bearing legs; gonopores on third trunk segment as in diplopods
  2. 2. When losing a limb to a predator or other thing what will an arthropod do?
  3. 3. Approximately how many plants are pollinated by insects?
  4. 4. What bugs play an important part of decomposition for humans?
  5. 6. Where do the largest arthropods live?
  6. 8. When arthropods move their legs on either side they are said to?
  7. 11. What type of eyes are good at detecting motion on arthropods?
  8. 12. What creatures are known to be the most abundant on earth?
  9. 13. Primitive insects, such as what, have the adult form on hatching
  10. 16. The largest group of arthropods which are burrowers are?
  11. 17. The second stage after egg which most arthropods take.