Energy Transfer in ecosystems lesson 3

Describe how energy is transferred as it flows through an ecosystem

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NGSS.MS-LS2-3

NGSS.MS-LS1-6

Why are producers the first organisms in a food chain?

• They prey on all other organisms

• They receive energy directly from the sun

• They are not consumed by other organisms

• They break down dead plant and animal matter

A ____models how energy is transferred in an ecosystem.

• food chain

• food web

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NGSS.MS-LS2-3

Which are necessary for plants to produce energy? Select all that apply.

• sunlight

• carbon dioxide

• sugar

• water

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NGSS.MS-LS2-3

NGSS.MS-LS1-6

The source of all energy in a food chain is the sun

• true

• false

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NGSS.MS-LS2-3

NGSS.MS-LS1-6

A(n) __________ shows the relationships among all species in an ecosystem.

• food chain

• food web

A model of how food chains are connected is called a ___

• food web

• energy flow

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NGSS.MS-LS2-3

A ____eats other organisms for energy.

• consumer

• producer

Decomposers break down dead plant and _____ matter