Glencoe Science Level Red

Chapter 18: Vertebrate Animals

Section 3 Self-Check Quiz-Eng.

1
One adaptation birds have, which allows them to fly is __________.
A)scaly skin
B)four legs
C)hollow bones
D)poor eyesight
2
Down feathers help birds __________.
A)move through the air swiftly
B)find food
C)adapt to life in water
D)keep warm air next to their bodies
3
One reason birds preen is to make their feathers __________.
A)able to soak up water
B)colorful
C)water repellent
D)fall off their bodies
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