Biomes

What is the biosphere?

• A single biome

• All living things

• Marine life

• Water on Earth

Which of the following is NOT a biome?

• Desert

• Tundra

• Mountain

• Reef

What is the largest biome on Earth?

• Desert

• Tundra

• Marine

• Mountain

Which of the following best describes a tundra biome?

• Hot and dry with very little rain

• Cold with little precipitation and permafrost

• Warm with lots of trees and rainfall

• A mix of trees and grass with moderate rainfall

Why does the tundra have fewer animals than a rainforest?

• It has too much sunlight

• It is too cold and dry

• There is too much water

• It has no land to live on

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How does the biosphere interact with the atmosphere?

• Plants take in water to create food

• Animals burrow in the ground

• Plants take in carbon dioxide

• They do not interact

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What happens when you remove a predator like the gray wolf from an ecosystem?

• The prey population decreases

• The prey population increases

• The ecosystem remains unchanged

• Other predators become weak

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Which of the following is a decomposer?

• Wolf

• Rabbit

• Mushroom

• Eagle

A predator’s role in an ecosystem is to:

• Eat only plants

• Control populations

• Create new plants

• Live on their own

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When gray wolves were removed from Yellowstone, what happened to the grass?

• It grew too tall

• Nothing happened

• Almost disappeared

• It spread everywhere

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