Terrestrial Biomes Review

If you visited a savanna, you would likely see...

• Large herds of grazing animals, such as rhinos, gazelles, and giraffes

• A dense forest

• Snow and ice

• A coastal ecosystem

Grasslands, such as the prairies of North America are..

• Suitable for corn and wheat, but not suitable for soybeans

• Threatened by soil erosion because native grasses have been damaged or destroyed by plowing and overgrazing

• Supportive of almost no animal life now that the millions of buffalo that once roamed there are gone.

• Supportive of rich layers of dense grasses because they receive at least 250 cm of rain each year.

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Which of the following best describes a tropical rainforest?

• dense, thick soil that supports a dense layer of plants on the forest floor

• species of animals with specialized ways of surviving in order to avoid competition

• very few species of trees, due to poor soil

• plants and animals that are very similar due to year-round warmth and moisture

Animals that live in the desert..

• Hibernate in winter

• are usually nocturnal

• usually have thin skin to absorb water

• include camels, moose, and various reptiles

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Deserts are..

• covered with sand and contain no plant life

• found only in North America

• often formed on the dry side of mountian ranges

• never located in cooler climates

The tundra..

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

• Is too cold to support insect life

• is resistant to environmental damage because it is usually frozen

• all of the above

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Taiga is..

• a cold, treeless, desert-like biome found near the North and South poles

• found mostly in Africa

• a forest biome dominated by coniferous trees, such as pine, fir, and spruce

• a dry, rocky biome found in the central part of South America

Which of the following statements is NOT correct?

• grasslands have rich soil that supports abundant plant life

• the tundra is a fragile biome because conditions are severe, and the ecosystem is easily disrupted

• chaparral fires are beneficial because thay destroy trees that compete for light and space

• tropical rain forests are resistant to change because the plants contain so many nutrients

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Which of the following is NOT true about temperate deciduous forests?

• Trees grow lush gren leaves in the spring, but lose their leaves in late summer

• The soul is rich, and plants cover much of the forest floor

• animals such as squirrels, bears, and deer find food in the form of nuts, berries, and leaves

• Both a and b

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Biomes..

• contain 2 ecosystems, hence the name "biome"

• are usually described by their vegetation

• exist in limited regions of the world

• All of the above