After reading this chapter and analyzing the content, it is assumed that you can:

1. Describe the tagmata and appendages on the heads of crustaceans.
   
   
2. List distinguishing features of Crustacea and differentiate them from other arthropods.
   
   
3. Define tergum, sternum, telson, protopod, exopod, endopod, epipod, endite, and exite.
   
   
4. Explain why crustaceans show serial homology.
   
   
5. Define carapace.
   
   
6. Describe the processes of respiration and circulation in crayfishes.
   
   
7. Describe the function of antennal and maxillary glands in Crustacea.
   
   
8. Explain how a crayfish detects changes in position.
   
   
9. Explain how the photoreceptor unit within the compound eye functions.
   
   
10. Explain what a nauplius is.
    
    
11. Contrast direct and indirect development in Crustacea.
    
    
12. Describe the molting process in Crustacea and include the hormones involved.
    
    
13. Describe the process of ecdysis and include the hormones involved.
    
    
14. Distinguish between the Branchiopoda, Ostracoda, Copepoda, Cirripedia, and Malacostraca in terms of diversity, numbers, and other defining characteristics.
    
    
15. Compare and contrast Isopoda, Amphipoda, Euphausiadcea, and Decapoda.
    
    
16. Explain the significance of Remipedia to the origins of crustaceans.
    
    
17. Contrast biramous and uniramous appendages.
    
    
18. Explain what a tongue worm is and where it might be found.