Matter and Energy in the Ecosystem

________________ -   use carbon dioxide as well as energy from sunlight to make energy storage molecules.

• Decomposition

• Producers

• Respiration

• Fermentation

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A food chain shows the transfer of

• location.

• energy.

• habitat.

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Which item is a biotic factor?

• water

• sunlight

• a tree

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6. An ecosystem consists of

• living things and nonliving things

• living things.

• nonliving things.

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10. A __________ is an organism that can make its own food.

• consumer

• habitat

• niche

• producer

Compare and contrast a food chain with a food web.

• Both illustrate the flow of energy within an ecosystem. A food chain shows two pathways of energy flow. A food web is a model that shows how several food chains are not connected in an ecosystem.

• Both illustrate the flow of energy within an ecosystem. A food chain shows two pathways of energy flow. A food web is a model that shows how several food chains are connected in an ecosystem.

• Both illustrate the flow of energy within an ecosystem. A food chain shows one pathway of energy flow. A food web is a model that shows how several food chains are connected in an ecosystem.

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An organism that cannot make its own food is a __________.

• consumer

• habitat

• niche

• producer

12.

• bird

• cat

• grass

• grasshopper

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NGSS.MS-LS2-3

Which items are abiotic? Check all that apply.

• trees

• sunflower

• sunlight

• deer

• wind

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NGSS.MS-LS2-3

Which items are biotic? Check all that apply.

• organic matter

• bacteria

• water

• squirrel

• soil

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