ECOLOGY
BIOMES
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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are suitable for corn and wheat, but not suitable for soybeans.
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are threatened by soil erosion because native grasses have been damaged or destroyed by plowing and overgrazing.
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support almost no animal life now that the millions of buffalo that once roamed there are gone.
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support a rich layer of dense grasses because they receive at least 250 cm (100 in.) of rain per year.
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Detailed explanation-1: -In North America we call temperate grasslands prairies. Major grasslands in North America are the Great Plains of the Midwest, The Palouse Prairie of eastern Washington State, and other grasslands in the southwest.
Detailed explanation-2: -Characteristics of the Savanna Large herds of animals-There are often large herds of grazing animals on the savanna that thrive on the abundance of grass and trees. Warm-The savanna stays pretty warm all year. It cools down some during the dry season, but stays warm and humid during the rainy season.
Detailed explanation-3: -Caribou migrate throughout the tundra in search of food and water. Hunters such as wolves prey on migratory caribou, deer, and moose. Rodents stay active, but burrow underground to avoid the cold.
Detailed explanation-4: -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 they destroy trees that compete for light and space.