Topic Test Answers

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Birds in the chaparral biome have adapted to living _______.

A
in trees
B
in burrows
C
on the ground
D
through cool summers
3

Why do some plants in the tundra retain their dead leaves instead of shedding them?

A
The plants absorb the nutrients in the dead leaves.
B
The dead leaves insulate new buds from the cold.
C
The dead leaves protect them from predatory insects.
D
The dead leaves help them survive long periods of drought.
4

The aromatic oils of chaparral shrubs _______.

A
promote wildfires
B
make many plants flavorful cooking herbs
C
help shrubs eliminate their competitors
D
all of the above
5

Hibernation is an adaptation that helps animals to _______.

A
survive high elevations
B
survive cold winters
C
survive droughts
D
evade predators
7

Which of the following is not used to classify biomes?

A
weather patterns
B
continent
C
dominant plant life
D
geographical terrain
8

Which of the following is not true about the Sahara desert?

A
it is almost as large as the United States
B
occupies central and southern Africa
C
has sand dunes almost 600 feet high
D
has a 3 million year history
9

Which of the following statements about the tundra is not true?

A
The tundra has limited vegetation.
B
There are two main categories of the tundra biome.
C
Temperatures in the tundra can get below -20° F.
D
The tundra biome does not support animal life.
12

The chaparral biome is best characterized by _______.

A
heavy snowfall
B
woody scrub plants
C
flat terrain
D
mountainside terrain
26

Explain how horned toads squirting blood from their eyes is a particularly good defense against coyotes.

Answer:

The blood can startle a coyote and has an unpleasant taste, discouraging it from continuing the attack or trying to eat the horned toad. This makes the defense especially useful against a predator that might otherwise swallow it.

28

Explain how the woolly lousewort has adapted to the cold climate of the tundra?

Answer:

The woolly lousewort has dense hairs that surround its flowers. These hairs trap the heat from the sun and allow its temperature to be maintined, keeping the flower at a warm enough temperature for it to germinate its seeds.

30

Explain how animals that need water daily can acquire it in the chaparral biome if a source of open groundwater is unavailable.

Answer:

They can get water from moisture in their food, such as plants or prey, and some animals also obtain a small amount of water through metabolism.

31

Explain how the increased flammability of chaparral shrubs is a beneficial adaptation.

Answer not available
32

Which of the following best describes daily temperatures in deserts?

A
hot during the day and cold at night
B
hot during the day and warm at night
C
cool during the day and very cold at night
D
they depend upon the type of desert and its location
33

Compare and contrast the main characteristics of the alpine and taiga biomes.

Answer not available
34

Which of the following is not true about the alpine biome?

A
The alpine biome is the largest biome in the world.
B
It is found on five of seven continents.
C
The alpine biome has two distinct seasons.
D
The temperature in the alpine can fall below freezing.
35

The arctic tundra is located in the northern hemisphere. Please select the best answer from the choices provided

A
T
B
F

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Topic Test Answers — Environmental Science A