Biology: The Dynamics of Life, North Carolina Edition

Chapter 32: Mammals

Mammals

1
Most marsupials are found in _____.
A)Australia
B)America
C)Africa
D)Antarctica
2
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Which of the skulls shown in Figure 32-2 belongs to an animal that does not hunt?
A)D
B)C
C)A
D)B
3
Which of these mammals is a monotreme?
A)platypus
B)chimpanzee
C)Tasmanian devil
D)kangaroo
4
An animal jaw that has small incisors and canines but wide premolars and molars may belong to a _____.
A)wolf
B)horse
C)beaver
D)dolphin
5
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According to Figure 32-3, which order of mammals is most closely related to reptiles?
A)cetaceans
B)primates
C)marsupials
D)monotremes
6
The main advantage of hair is that it _____.
A)protects the skin
B)provides mucus
C)can be shed
D)conserves body heat
7
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Which of the skulls shown in Figure 32-2 are built to eat a variety of foods?
A)B
B)A
C)D
D)C
8
What has features of both reptiles and mammals?
A)marsupials
B)therapsids
C)monotremes
D)primates
9
The folds in the mammalian brain _____.
A)increase the surface area
B)form ridges for storing learned behavior
C)transfer heat from the body to the environment
D)secrete necessary fluids
10
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What is the primary source of food for the animal with skull D as shown in Figure 32-2?
A)meat
B)insects
C)carrion
D)plants
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