Living and Nonliving Ecosystems

Which statement describes one way in which living organisms in a desert ecosystem interact with nonliving things in the ecosystem?

• Sunlight warms soil on the Earth's surface

• Plants get nutrients from the soil

• Sunlight produces light which causes rocks to have shadows

• Desert birds eat seeds found in the sand

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Living things need air, water, and ______ to survive.

• computers
• food
• animals
• school

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Living or Nonliving?
Mouse

• Living
• Nonliving

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Living or Nonliving?
Plants

• Living
• Nonliving

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Living or Nonliving?
Paint

• Living
• Nonliving

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Living or Nonliving?
Truck

• Living
• Nonliving

Pencil

• Living

• Nonliving

Ecology is the study of how living and nonliving things interact.  Which statement describes the relationship between prairie dogs and the soil?

• The prairie dogs provide oxygen for the soil.
• The prairie dogs cause the soil to erode.
• The soil provides a shelter for the prairie dogs. 
• The soil provides nutrients for the prairie dogs.

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  The aquarium pictured is a good model of -

• a terrarium
• an ecosystem
• a tide pool
• a swamp

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• Living

• Nonliving

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