Ch. 7 Review

1234567891011121314151617181920212223242526
Across
  1. 5. type of flight in which a bird alternates flapping, gliding, or coasting
  2. 6. portion of an egg that is the large egg cell produced by the mother's ovary
  3. 8. the regular movement of animals between two habitats
  4. 12. process of keeping eggs warm for proper chick development
  5. 14. the major muscles birds use for flight
  6. 16. type of bath birds take to rid themselves of parasites
  7. 17. the term that describes how birds groom
  8. 18. food storage sac in a bird's esophagus
  9. 20. the bone that the bird's flight muscles attach to
  10. 22. type of flight in which a bird flaps its wings continually to travel forward
  11. 23. organ located at the base of the trachea that produces sound
  12. 24. pointed claws
  13. 25. practice of rubbing ants on plumage
  14. 26. when birds gather in large groups
Down
  1. 1. type of flight in which a bird remains stationary in the air briefly
  2. 2. process of shedding and replacing old feathers
  3. 3. section in a bird's stomach that grinds food
  4. 4. the world's smallest bird
  5. 7. type of vision in which both eyes can focus on one subject
  6. 9. type of flight in which a bird stretches out its wings to coast "downhill"
  7. 10. migration routes of birds
  8. 11. the fasting-running flying bird
  9. 12. built-in knowledge that animals possess at birth and do not have to learn
  10. 13. feathers that provide insulation
  11. 15. feathers that provide the bird's streamlined shape
  12. 19. type of flight in which a bird uses thermals to gain altitude
  13. 21. the most strenuous part of a bird's flight