Arthropoda Vocabulary Terms

3. A hard external skeleton that provides support and protection for arthropods, made primarily of chitin.
6. A subphylum of arthropods characterized by having chelicerae, including spiders, scorpions, ticks, and horseshoe crabs.
7. eyes Eyes composed of multiple individual visual units called ommatidia, found in many arthropods, providing a wide field of view and detecting motion.
9. The process of shedding the exoskeleton to allow for growth in arthropods, often accompanied by the formation of a new, larger exoskeleton.
11. Jaw-like mouthparts found in many arthropods used for chewing and manipulating food.
12. Appendages located behind the mandibles in many arthropods, often involved in manipulating food or aiding in feeding.

1. The fused head and thorax region found in many arthropods such as crustaceans and arachnids.
2. Respiratory organs found in some arachnids, consisting of parallel folds resembling the pages of a book, allowing for gas exchange.
4. The posterior body region of arthropods, typically housing internal organs and often bearing appendages or structures for various functions.
5. A phylum of invertebrate animals characterized by their jointed limbs and segmented bodies, including insects, crustaceans, arachnids, and myriapods
8. Sensory appendages found on the heads of many arthropods, used for detecting stimuli such as touch, smell, and taste.
10. system A respiratory system found in insects and some other arthropods, consisting of a network of tubes (tracheae) that deliver oxygen directly to tissues.