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

1. Contrast the adaptive advantages of a pseudocoel with acoelomate body type.
   
   
2. Distinguish between a true coelom and a pseudocoel.
   
   
3. List the characteristics that unite the members of the clade Gnathifera.
   
   
4. List the characteristics that unite rotifers and acanthocephalans as members of clade Syndermata.
   
   
5. Contrast brachiopods with bivalved molluscs.
   
   
6. Characterize the habitats of micrognathozoans, cycliophorans, and gnathostomulida.
   
   
7. Contrast entoprocts with ectoprocts.
   
   
8. Describe the major features of rotifers including their habitat type and body size.
   
   
9. Contrast mictic and amictic eggs of rotifers.
   
   
10. Define eutely.
    
    
11. Describe the major features of the acanthocephalan body.
    
    
12. Describe the feeding mechanism of acanthocephalans.
    
    
13. Compare and contrast lophophorate characteristics.
    
    
14. Define lophophore, zoecium, zooid, polypide, cystid, and statoblasts.
    
    
15. Compare protostome and deuterostome characteristics within the lophophorates.
    
    
16. Describe the lophophore of ectoprocts.