SmithLifeScience
Name __________________ Period _____

Reading Study Guide Chapter 12 Birds and Mammals
1-1 Birds (pp.406-413)
(p.406)
In 1861, Herman von Mayer, discovered the fossil of an Archaeopteryx.
1. What does Archaeopteryx mean? _____________________________
2. Archaeopteryx lived about __________ million years ago.
3-4. Name TWO bird characteristics of Archaeopteryx.
3. __________________________ and 4. ______________________________
5-6. Name TWO reptile characteristics of Archaeopteryx.
5. __________________________ and 6.
______________________________

Characteristics of Birds
(p.407-411)
(p.407)
7-11. In addition to flying, modern birds share five
characteristics. List them:
7. ____________________
10.
____________________
8. ____________________
11.
____________________
9. ____________________

Adaptations for Flight (page 407)
12-15. Name FOUR adaptations that enable a bird to
fly.
12. ____________________
13.
____________________
14. ____________________
15
. ____________________
16-19 Identify each characteristic as a contour
feather or a down feather.
16. Helps balance and steer the bird as it flies.
Contour Feather
Down Feather
17. Traps heat and keeps the bird warm.
Contour
Feather Down Feather
18. Gives shape to the bird's body
Contour
Feather Down Feather
19. Soft and flexible feathers
Contour
Feather Down Feather
Obtaining Oxygen (p.408)
20. Air sacs are connected to the bird's ______________.
21. The right side of a bird's heart pumps blood to the ____________________.
22. The left side of the bird's heart pumps blood to the _____________________.

Obtaining Food (p.409)
23. Birds use their _______________ to capture, grip, and handle food.
24. The internal storage tank for storing food. crop or gizzard
25. Squeezes and grinds food. crop or gizzard
26. The gizzard does the same job that your ________________ do.
Keeping Conditions Stable (p.410)
27. Birds are endotherms, they are:
Cold-blooded
or Warm-blooded
28. If you ate like a bird, you would have to eat ________ hamburger patties a day.

Reproduction and Caring for Young
(p.411)
29. Birds reproduce using ____________ fertilization:
External
or Internal
30. Bird eggs are ________________ than reptile eggs. Harder or Softer
31. Only the female __________ incubates the eggs. Pigeon or Robin
32. Both __________ parents take turns incubating the eggs. Pigeon or Robin
33. Name a newly hatched chick that is covered with down. ______________
34. Name a newly hatched chick that is born featherless and
blind. _______________

Birds in the Environment (p.412-413)
35. Name a wading bird . ____________________________
36. Name a perching bird. ____________________________
37. Name a nectar-eating bird. ____________________________
38. Name a seed-eating bird. ____________________________
Extra Credit
There are many expressions about birds:
Eat like a bird. and He's got eyes like an eagle. are two
examples.
Write down any bird expressions you can think of.
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