Across
- 2. flexible tube connecting the mouth to the crop
- 3. site of fertilization
- 6. stores and moistens food
- 7. distinct feather tracts
- 10. the system that covers skin and appendages
- 12. segment marking the junction of the small and large intestines
- 13. outer layer of a chickens skin
- 14. secretes insulin
- 15. shedding of old feathers
Down
- 1. hormone that stimulates laying of eggs
- 4. pigmentation determined by type of flight pattern
- 5. location where the two shell membranes are formed
- 8. inner layer of a chickens skin
- 9. voice box
- 11. the class in the animal kingdom in which poultry belongs