Arthropods and Insects

2. communication uses sound,visual, chemical, and other types of signals
5. immature forms are called nymph
7. arthropod sheds it entire exoskeleton and manufactures a larger one take its place
8. flipper like appendages used for swimming
11. mouth part used to lap up food
13. have a body divided into three parts- head, thorax, and abdomen
14. organs that contain silk glands
16. mouthpart used to suck nectar
17. first two pairs of appendages
19. how many body parts does an insect have?
21. system exoskeleton prevents the use of the skin as an excretory organ

1. longer than chelicerae and are usually modified to grab prey
3. centipedes,millipedes, and insects
4. a mouthpart adapted for biting and grinding food
6. aniamals hatch into larvae that doesn't look like their parents
9. have mouthparts called chelicerae and two body sections and nearly all have four pairs of walking legs
10. Eyes made up of many lenses detect minute changes in color and movement
12. societies ants, bees, termites form complex associations for the benefit of the whole group
15. contain fangs and are used to stab and paralyze prey
18. have segmented bodies, a tough skeleton, and jointed appendages
20. first pair of legs on crayfish