Unit Test — Unit test Answers

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Desert predators are most likely to be successful in finding their quarry _______.

A
during the day
B
at night
C
before noon
D
after it rains
2
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Humans evolved in the Eocene period.

A
T
B
F
3

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.
4

Which of the following adaptations found in animals in deciduous forests protects against predators?

A
fat storage
B
migration
C
hibernation
D
camouflage
5

Which of the following is not used to classify biomes?

A
weather patterns
B
continent
C
dominant plant life
D
geographical terrain
6

Mosses are located in which zone of deciduous forests?

A
tree stratum
B
ground
C
shrub
D
herb
7

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
8

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.
9

Which of the following is a way humans have impacted the rainforests, but not the tundra?

A
oil drilling
B
mining
C
overgrazing
D
logging
10

Which of the following changes in deciduous forests occurs in the winter?

A
Trees regain their leaves.
B
Trees block the flow of water and nutrients to their leaves.
C
The leaves of trees begin to lose their chlorophyll.
D
Trees live off of stored nutrients.
11

Jackrabbits’ large ears are an adaptation for _______.

A
hunting prey
B
enhanced hearing
C
storing water
D
dissipating heat
12

Summarize the adaptations that allow the creosote bush to survive for up to 2 years without water.

Answer not available
13

Mammals do not live in the tundra, because the climate is too extreme.

A
T
B
F
14

What developments occurred from the Jurassic period to the Cretaceous period?

Answer not available
15

Which of the following animals is not found in the tundra?

A
polar bear
B
caribou
C
pangolin
D
wolverine

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