1. Word for cleaning feathers? preen

2. 3 systems united in cloaca Digestive, reproduction, excretory

3. Brood patch is what? Bare skin to keep eggs warm

4. Name of bird/reptile found in Germany? Archopteryx lithographacus

5. Central portion of a feather (vein) rachis

6. How many chambers are in the heart? four

7. Pterodactyl means? Wing finger

8. Why was limestone in demand in the 1700’s printing

9. Special feature of respiratory system Air sacs

10. Cow birds and cuckoos have odd rearing practice Brood parasitism

11. Three functions of a feather Flight, mate, and insulate

12. Two major lobes of the brain? Optic and cerebellum

13. Why do birds change feathers and what is it called? Molt Mate migrate

14. 2 skeletal features that aid in flight? Hollow, fused bones

15. How are birds classified? Anatomy, DNA, song

16. Protobird has reptile and bird features such as Teeth, feathers, fine boned skeleton, and scales

17. Why would birds have a broader range then reptiles? Endothermic and feather

18. Contrast precocial and altricial? Number of eggs Nests on ground Behavior at birth

19. Describe the two theories of bird origin Cousins of dinosaurs because of common ancestor OR descendent of dinosaurs

20. Factors that influence migration Food, season, mating

21. Resources that help in navigation Stars, magnets in head, visuals cues

22. List organs in the digestive system Mouth, esophagus, crop, proventriculus, gizzard, intestine

23. Compare and contrast birds and reptiles Type of egg shell Ecto vs. endothermic Feathers scales incubation of eggs in nest or not