Env Science Test 6

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Most __________ plants are low-lying evergreen shrubs and trees with small, leathery leaves.

Chaparral

Why does soil form slowly in the taiga?

Climate and acidity of fallen needles slows decomposition.

Adaptations demonstrated by plants in tropical rain forests include A. Trees with above ground roots called buttresses, which increase stability. B. Orchids and vines that use tall tree trunks for support. C. Herbs with large flat leaves located in the understory. D. All of the above.

D. All of the above.

Which of the following is located primarily in coastal areas that have Mediterranean-style climates with warm, dry summers and mild, wet winters? A. Tallgrass prairie B. Savanna C. Tundra D. Chaparral

D. Chaparral

Biomes with higher temperatures and less precipitation tend to have

Shorter and less dense vegetation

The main factor that determines what type of plants grow in a biome is

Temperature and altitude

You are walking through a forest that gets large amounts of rain, has high humidity, and has moderate temperatures year-round. Where might you be located?

The Pacific Northwest

Biomes

are usually described by their vegetation

Animals that live in the desert

are usually nocturnal

Which of the following adaptations are used by animals of the Arctic tundra? A. Rodents burrow underground for winter protection. B. Deer and foxes use seasonal camouflage. C. Geese and caribou migrate to avoid predators. D. All of the above.

A. Rodents burrow underground for winter protection.

What would you expect to see in the emergent layer of a tropical rain forest?

B. Eagles, bats, and snakes

Which of the following best describes a tropical rain forest? A. Dense, thick soil that supports a dense layer of plants on the forest floor. B. Species of animals with ways of surviving in order to avoid competition. C. Very few species of trees, due to poor soil quality. D. Plants and animals that are very similar due to year-round warmth and moisture.

B. Species of animals with ways of surviving in order to avoid competition.

Which of the following statements is not correct? A. Grasslands have rich soil that supports abundant plant life. B. The tundra is a fragile biome because conditions are severe, and the ecosystem is easily disrupted. C. Chaparral fires are beneficial because they destroy trees that compete for light and space. D. Tropical rain forests are resistant to change because the plants contain so many nutrients.

D. Tropical rain forests are resistant to change because the plants contain so many nutrients.

Animals such as pronghorn, bison, and badgers live on the North American __________________________

Grasslands

In the tundra, the frozen layer of soil just beneath the surface is called the _________.

Permafrost

Grasslands, such as the prairies of North America,

are threatened by soil erosion because native grasses have been damaged or destroyed by plowing and overgrazing

Animals that have thick, scaly skin to prevent water loss would most likely be found in a ________ biome

desert

The tundra

has a layer of soil that is permanently frozen beneath the top soil

A common adaptation of animals living in the chaparral is ____________________

hibernation

If you visited a savanna, you would likely see

large herds of grazing animals, such as rhinos, gazelles, and giraffes.

Deserts are

often formed on the dry side of mountain ranges

Due to the extreme temperature conditions and simple, easily disrupted food chains, the __________ is very sensitive to human disturbance.

tundra

During harsh winters, animals of the _____ have adaptations such as the ability to change color to avoid predators

tundra

Vegetation in biomes where ____________ is scarce consists predominantly of short trees, shrubs, and grasses.

water


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