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7th Grade Ch 8

Chapter 8 Test

QuestionAnswer
1. Songbirds, with their 3 forward toes and one hind toe, have what type of feet? perching
2. Which type of flight allows birds to coast “downhill”? gliding
3. To allow chicks to develop properly, eggs must be kept warm through ________. incubation
4. Whippoorwills, which catch insects in flight, have which type of bill? gaping bill
5. What is the outermost shell of an egg made of? calcium carbonate
6. Using thermals to gain altitude without expending energy is called _________. soaring
7. What is the region of an egg where the embryo develops? germinal spot
8. Identify the nutrient-rich fluid that feeds an unhatched chick? yolk
9. A hummingbird remaining stationary in the air is engaging in _______. hovering
10. Feathers and bills are both made of what substance? keratin
11. Colors, patterns, and markings that are characteristic of a specific bird species are known as _______. fieldmarks
12. Which type of chicks are featherless and helpless when they hatch? altricial
13. Which group of birds does not provide any parental care for their young? megapodes
14. What is the fastest flying bird? peregrine falcon
15. Birds that sit on their eggs lose feathers from their _______ to transfer heat to their eggs more effectively. brood patch
16. List 4 out of the 6 categories of birds. game, water, flightless, tropical
17. List 4 out of the 6 characteristics common to all members of class Aves, both living and extinct. wings, tails, bills, feet
18. Many birds have ______ vision. monocular
19. Migration routes followed year after year are known as _________________. flyways
20. Birds are born with a built-in knowledge called __________. instincts
21. Birds perform ______ migration when they migrate relatively short distances by moving up and down a mountain. altitudinal
22. In an activity called _______, smaller birds will harass a larger bird. mobbing
23. Many birds practice _________, a type of bathing that does not use water. dusting
24. Birds use ants to clean their plumage in an activity called ___________. anting
25. What is used to grind food and make it more easily absorbed? gizzard
26. What are soft, fluffy feathers found close to a bird’s body? downy feathers
27. What is a food storage sac in a bird’s esophagus? crop
28. What is the wing bone to which the major flight muscles connect? humerus
29. What is used to raise the wings? pectorals
30. What are the feathers extending from a bird’s “hand” to the tip of its wing? primary flight feathers
31. What produces sound without vocal cords? syrinx
32. What is a ridge on the sternum? keel
33. What is a retractable group of feathers supported by a bird’s “thumb” bone? alula
34. What are strong feathers found on a bird’s body, wings and tails? contour feathers
35. What produces oil that birds spread over their feathers? preen gland
Be able to label these parts of a feather: shaft, barb, barbule, vane
Compare and contrast a bird’s respiratory system to that of a mammal. Birds breathe 2x to 3x faster than we do.
Created by: misschapman