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

1. List the grades of organization in organismal complexity from the simplest to the most complex grade.
   
   
2. Define parenchyma and stroma.
   
   
3. Compare spherical, radial, biradial, and bilateral symmetry.
   
   
4. Be familiar with anatomical directional terms anterior/posterior, dorsal/ventral, medial/lateral, and distal/proximal.
   
   
5. Define frontal, sagittal, and transverse planes.
   
   
6. Be able to list the different types of fluid compartments found in eumetazoans.
   
   
7. Explain the difference in compartmentalization among animals with open and closed circulatory systems.
   
   
8. Be able to list the four types of tissues in metazoans.
   
   
9. Distinguish between the structure of simple and stratified epithelium and explain why the structure is directly related to the function of each.
   
   
10. Be able to list the three elements found in connective tissue.
    
    
11. Be able to list the different types of connective tissue.
    
    
12. Describe the structure and function of each type of muscle tissue.
    
    
13. Describe the structural and functional features of a neuron.
    
    
14. Define segmentation.
    
    
15. Distinguish acoelomate, pseudocoelomate, schizocoelous, and enterocoelous body plans.