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

1. Explain the significance of the discovery of Archaeopteryx.
   
   
2. Outline the special adaptations of birds that contribute to two essentials for flight: more power and less weight.
   
   
3. Discuss how a bird's ears and eyes are specialized for the demands of flight.
   
   
4. Describe four basic forms of bird wings and relate how wing shape correlates with flight speed and maneuverability.
   
   
5. Describe different navigational resources birds may use in long–distance migration.
   
   
6. List some advantages of social aggregation among birds.
   
   
7. Explain why monogamy is more common among birds than mammals.
   
   
8. Describe examples of polygyny and polyandry among birds.
   
   
9. Define the terms precocial and altricial as they relate to birds.
   
   
10. Indicate how human activities have affected bird populations.