Across
- 3. system: A respiratory system found in insects and some other arthropods, consisting of a
- 5. ticks, and horseshoe crabs.
- 9. Antennae: Sensory appendages found on the heads of many arthropods, used for detecting stimuli
- 10. body segments and multiple pairs of legs.
- 11. class of arthropods characterized by having eight legs, including spiders, scorpions,
- 12. providing a wide field of view and detecting motion.
- 14. eyes: Eyes composed of multiple individual visual units called ommatidia, found in many
- 15. like crabs and lobsters.
- 17. subphylum of arthropods including centipedes and millipedes, characterized by having
- 22. appendages found on the abdomen of many crustaceans, used for swimming,
- 24. evolution.
- 25. class of arthropods characterized by having six legs, typically three body segments (head,
- 26. of tubes (tracheae) that deliver oxygen directly to tissues.
- 27. abdomen), and often wings, including beetles, flies, ants, and butterflies.
- 28. by the formation of a new, larger exoskeleton
- 29. of chitin.
- 35. appendages found on the rear segments of many arthropods, serving various functions
- 36. Appendages located behind the mandibles in many arthropods, often involved in
- 37. The scientific study of arthropods, encompassing their biology, ecology, behavior,
Down
- 1. A hard external skeleton that provides support and protection for arthropods, made
- 2. :A phylum of invertebrate animals characterized by their jointed limbs and segmented
- 4. and mites.
- 6. appendages or structures for various functions.
- 7. The fused head and thorax region found in many arthropods such as crustaceans and
- 8. diverse group of arthropods primarily aquatic, including crabs, lobsters, shrimp, and
- 13. as sensing vibrations, detecting predators, or aiding in navigation.
- 16. Chelicerate: A subphylum of arthropods characterized by having chelicerae, including spiders,
- 18. typically possessing two pairs of antennae and biramous appendages.
- 19. including insects, crustaceans, arachnids, and myriapods.
- 20. Mandible: Jaw-like mouthparts found in many arthropods used for chewing and manipulating food.
- 21. food or aiding in feeding.
- 22. lungs: Respiratory organs found in some arachnids, consisting of parallel folds resembling the
- 23. as touch, smell, and taste.
- 30. and sometimes respiration.
- 31. The process of shedding the exoskeleton to allow for growth in arthropods, often
- 32. of a book, allowing for gas exchange.
- 33. posterior body region of arthropods, typically housing internal organs and often
- 34. hard, protective shell covering the dorsal side of some arthropods, particularly