Across
- 4. like crabs and lobsters.
- 6. of tubes (tracheae) that deliver oxygen directly to tissues.Book lungs: Respiratory organs found in some arachnids, consisting of parallel folds resembling the
- 7. of chitin.
- 12. and sometimes respiration.
- 13. A hard, protective shell covering the dorsal side of some arthropods, particularly
- 14. as touch, smell, and taste.
- 17. providing a wide field of view and detecting motion.
- 18. The process of shedding the exoskeleton to allow for growth in arthropods, often
- 19. A phylum of invertebrate animals characterized by their jointed limbs and segmented
- 22. The posterior body region of arthropods, typically housing internal organs and often
- 23. A hard external skeleton that provides support and protection for arthropods, made
- 24. including insects, crustaceans, arachnids, and myriapods.
- 26. A subphylum of arthropods characterized by having chelicerae, including spiders,
- 27. as sensing vibrations, detecting predators, or aiding in navigation.
Down
- 1. food or aiding in feeding.
- 2. appendages or structures for various functions.
- 3. Paired appendages found on the abdomen of many crustaceans, used for swimming,
- 5. by the formation of a new, larger exoskeleton.
- 8. of a book, allowing for gas exchange.
- 9. system: A respiratory system found in insects and some other arthropods, consisting of a
- 10. eyes: Eyes composed of multiple individual visual units called ommatidia, found in many
- 11. The fused head and thorax region found in many arthropods such as crustaceans and
- 15. Sensory appendages found on the heads of many arthropods, used for detecting stimuli
- 16. ticks, and horseshoe crabs.
- 20. Appendages located behind the mandibles in many arthropods, often involved in
- 21. Paired appendages found on the rear segments of many arthropods, serving various functions
- 25. Jaw-like mouthparts found in many arthropods used for chewing and manipulating food.