chapter 15

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1.
1 point
Of the following, which is NOT a characteristic of marsupials?
2.
1 point
Mammal hearts consists of ____ chambers.
3.
1 point
Because most birds are small, they require only small amounts of food.
4.
1 point
Of the following, which is NOT an amphibian?
5.
1 point
Bird eggs have a hard ____________________ made of calcium carbonate.
6.
1 point
During cold winter months, amphibians ____.
7.
1 point
Because bears eat both plants and other animals, they are called ____________________.
8.
1 point
Opossums are the only type of monotreme that lives in North America.
9.
1 point
Some chordates are also ____.
10.
1 point
Frogs hear with their ____.
11.
1 point
Of the following, which is an ectothermic vertebrate?
12.
1 point
Bats help pollinate flowers.
13.
1 point
A mammal's brain is usually small.
14.
1 point
Of the following, which is an endothermic vertebrate?
15.
1 point
In placental mammals, the ____________________ absorbs oxygen and food from the mother's blood.
16.
1 point
Marine mammals learn to swim about four weeks after birth.
17.
1 point
Of the following, which is NOT a characteristic of birds?
18.
1 point
Strong, lightweight feathers that give birds their smooth shape are called ____________________ feathers.
19.
1 point
The feathers that play an important part in steering and balancing during a bird's flight and landing are ____________________ feathers.
20.
1 point
Reptiles breathe ____.