Across
- 2. 5 pairs of walking legs (crabs, lobsters)
- 3. 6 pairs of appendages (horeshoe crab)
- 5. hard outer covering, protects cephalothorax
- 7. moves water in gill chamber and helps move food to mouth
- 8. senses touch and taste; in front of mouth
- 11. tough polysaccharide that makes up an arthropod skeleton
- 13. smaller section that contains gills
- 14. process of the arthropod shedding it’s old shell
- 15. krill are
- 17. legs modified for swimming
- 18. structures to help crayfish see
- 19. decapods, krill, copepods
Down
- 1. crushes food
- 4. hard, protective skeleton made of protein and chitin
- 5. largest section that contains largest appendages
- 6. largest group of small crustaceans
- 9. pinchers that are used for capturing prey and for defense
- 10. senses touch and taste and helps crayfish maintain balance
- 11. modified for purpose of feeding (pincher)
- 12. glass shrimp breaks down algae and gracious of marsh ecosystem
- 14. holds food for easy feeding
- 16. long spike used for steering and defense