ZOO 1010 Study Guide
Chapter 13
Chapter 13 – Arthropods
1. Characterize the Phylum Arthropoda. What is the basis of the name?
2. What specific characteristics have attributed to the arthropods’ success at diversity and abundance?
3. What is chitin?
4. How does the process of ecdysis occur?
5. Distinguish between uniramous and biramous appendages.
6. Characterize the Subphylum Trilobita.
7. Characterize the Subphylum Chelicerata. Distinguish between the horseshoe crabs (Class Merostomata) and the
arachnids (Class Arachnida)
8. Characterize the Subphylum Myriapoda. Distinguish between the centipedes (Class Chilopoda) and the
millipedes (Class Diplopoda).
9. Characterize the Subphylum Crustacea. How are crustacean appendages modified? Distinguish between the
Branchiopoda, Copepoda, Cirripedia (Thecostraca), Isopoda, Amphipoda, Euphausiacea, and Decapoda.
10. Name various larval forms of crustaceans.
11. Characterize the Subphylum Hexapoda (Class Insecta). Distinguish between the Odonata, Orthoptera,
Blattodea, Mantodea, Isoptera, Phthiraptera, Hemiptera, Coleoptera, Lepidoptera, Diptera, Siphonaptera, and
Hymenoptera.
12. Describe various modifications of mouthparts of insects.
13. Distinguish between holometabolous and hemimetabolous metamorphosis and growth.
14. In what ways are insects beneficial and harmful to human welfare?
Key Terms – tagmata, chitin, ecdysis, molting, uniramous, biramous, chelicerae, pedipalps, carapace, telson, book
gills, book lungs, Malpighian tubules, silk glands, spinnerets, mandibles, maxillae, endopod, exopod, maxillipeds,
chelipeds, uropods, antennal glands, green glands, nauplius, labrum, labium, hemolymph, tracheal system, spiracles,
metamorphosis, larva, pupa, nymph, pheromones,
Note: This study guide may not be all inclusive of material covered. The student is responsible for learning all
material covered in lecture and as expected as part of this course.