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Across 3. system of supporting structures covering the outside of the body 5. example of insecta 8. example of crustacea 10. the members of this class of arthropods can have more than 8 legs but only two body segments 12. this is a chilopod that is poisonous to humans 15. any structure that grows out of any organism’s body, such as a limb or an antenna 18. the kingdom that all arthropods belong to 19. the process of shedding the exoskeleton 21. the members of this class of arthropods have only 1 pair of legs on each body segment 22. a style of development in which immature and adult life stages are distinctly different 23. a fly undergoes complete metamorphosis, this is the name of its larvae 24. the organs a crustacean uses to breathe

Down 1. the organs that a spider uses to breathe 2. a tyoe of development in which the body structure of developing young resembles that of the adults 4. the members of this class of arthropods always have 8 legs 6. example of arachnida 7. the members of this class of arthropods have 6 legs and sometimes have wings 9. the center or second body division of an arthropod 11. a network of branching tubes that supply oxygen to the body cells of some arthropods 13. a larva of an insect with incomplete metamorphosis 14. a body division in arthropods that is composed of a fused head and thorax 16. the phylum that all arthropods belong to 17. the members of this class of arthropods have 2 pairs of legs on each body segment 20. the number of classes of arthropods