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Chapter 30<br />

Name Date Class<br />

Copyright © Glencoe/McGraw-Hill, a division of The McGraw-Hill Companies, Inc.<br />

1<br />

What characteristics are key for distinguishing<br />

a mammal from other animals<br />

A location of eyes and hair<br />

B teeth and having a diaphragm<br />

C kidneys and having a diaphragm<br />

D hair and mammary glands<br />

2<br />

Why are mammals able to live throughout the<br />

world in a variety of ecosystems<br />

A They have a low metabolic rate.<br />

B They regulate body heat internally.<br />

C They are ectotherms.<br />

D Hair is a sensory device.<br />

3<br />

The hair of a mammal is made of .<br />

A cellulose<br />

B keratin<br />

C chitin<br />

D chlorophyll<br />

4<br />

Which structure, modeled in the diagram below<br />

and found only in mammals, helps them to<br />

maintain a high intake of oxygen<br />

A lungs<br />

B kidneys<br />

C diaphragm<br />

D cecum<br />

Air movement<br />

Chest cavity<br />

Lung<br />

Diaphragm<br />

5<br />

Under what circumstances would blood vessels<br />

near the surface dilate and deliver more blood<br />

than usual<br />

A when body temperature increases<br />

B when the body is losing heat<br />

C when there is too little oxygen in the blood<br />

D when blood vessels contract<br />

6<br />

Which would an animal with a long digestive<br />

system and a large cecum probably feed on<br />

A insects<br />

B bacteria<br />

C plants<br />

D herbivores<br />

7<br />

Which is the only egg-laying mammal<br />

A monotremes<br />

B marsupials<br />

C placental animals<br />

D manatees<br />

8<br />

An animal that explores an area, finds sources<br />

of food, and returns later to feed, exhibits<br />

which complex behavior<br />

A hording<br />

B learning and remembering<br />

C good eyesight<br />

D acute hearing<br />

9<br />

Which type of mammal develops for a short<br />

period in the uterus, followed by extended<br />

development in the mother’s pouch<br />

A placental animal<br />

B monotreme<br />

C marsupial<br />

D nocturnal primate<br />

STANDARDIZED TEST PRACTICE CHAPTER 30 59

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