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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NGSS.MS-LS2-3

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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NGSS.MS-LS2-2

  The aquarium pictured is a good model of -

• a terrarium

• an ecosystem

• a tide pool

• a swamp

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NGSS.MS-LS2-1

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

• computers

• food

• animals

• school

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What is the primary difference between biotic and abiotic factors?

• Biotic factors are living, while abiotic factors are non-living

• Abiotic factors are living, while biotic factors are non-living

• Both are living components

• Both are non-living components

Which of the following is a non-living component of an ecosystem?

• Insects

• Birds

• Rocks

• Trees

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NGSS.MS-LS2-3

Which of the following is an abiotic factor in an ecosystem?

• Plants

• Animals

• Water

• Bacteria

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NGSS.MS-LS2-3

Choose the nonliving components in the photo.

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NGSS.MS-LS2-3

An abiotic part of an ecosystem; required by plants to perform photosynthesis.

• water

• soil

• sunlight

• oxygen

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NGSS.MS-LS1-6

An abiotic part of an ecosystem; this gas is required by all living things.

• oxygen

• ecology

• biotic factors

• jellybeans

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