Across
- 5. This type of crab is vital to the development of human vaccines and is vulnerable to extinction.
- 6. The middle segment of an insect's body where the wings and legs attach is called this.
- 7. This order means "two wing" in Latin. These animals are advanced fliers and have specialized mouthparts for piercing and/or sucking.
- 9. Arthropods have this type of circulatory system.
- 11. These tubules extract waste from the blood and add it to the feces for excretion.
- 13. The largest order of arthropods, it means "sheath wing" in ancient Greek.
- 17. Arthropods have these types of appendages.
- 19. Arthropods have a tough exoskeleton made of protein and this molecule.
- 20. This group of arthropods have 2 legs (1 pair) per body segment and have flattened bodies.
- 23. This order means "scale wing" in Latin because its animals have scales of many different colors covering their wings.
- 24. Most Arthropods have this type of eye, which are complex and can have more than 2000 separate lenses.
- 25. The study of insects is called this.
- 26. Horseshoe crabs are not crustaceans, but part of this class, which is closely related to Arachnida.
- 27. Arthropods have this type of body symmetry.
- 29. Some insects have this membrane on their abdomen, which receives and processes sound vibrations from the external environment, similar to our own eardrum.
- 30. Centipedes kill and eat prey, which makes them this type of consumer.
- 31. Some arthropods, such as butterflies, undergo a complete developmental change by restructuring their entire bodies during the pupal stage, which is called this.
- 32. This order contains insects that live in complex social hierarchies, where individuals perform various duties to sustain, grow, and protect not themselves, but the colony as a whole.
Down
- 1. Some arthropods, such as grasshoppers, perform this type of development, in which the young look like a miniature version of the adult and molt their exoskeleton to grow.
- 2. The gastric ________ secrete digestive juices into the stomach.
- 3. This group of Arthropods have 10 legs and are all aquatic except for pillbugs (roly pollies).
- 4. Millipedes feed on decaying organic matter which is also called this.
- 8. This class of Arthropoda includes animals with no antenna or wings.
- 10. An insect's crop stores food, then this structure grinds it into smaller pieces before passing it to the stomach.
- 12. The blood of Arthropods is called this.
- 14. Female insects have this structure on their posterior abdomen that is used to dig holes and deposit eggs.
- 15. This group of arthropods have 4 legs (2 pairs) per body segment and have rounded bodies.
- 16. Lepidopteran wings are covered in these, which give them a wide variety of colors.
- 18. This order means "flat wing" in Latin. It includes grasshoppers, locusts, and crickets.
- 21. Insects use these wings for flight.
- 22. Pores in the abdomen and thorax that are used for breathing, are called this.
- 28. The forewings of beetles are hardened to form a shell, which is called this. It is used to protect the delicate hindwings, which are used for flying.