Unit 4 Module 1 Review ("Matter & Energy in Ecosystem")

TRUE or FALSE: Photosynthesis and cellular respiration are related because they both use carbon and oxygen.

• True

• False

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NGSS.MS-LS1-6

NGSS.MS-LS2-3

TRUE or FALSE: Cellular respiration is the opposite reaction to photosynthesis.

• True

• False

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NGSS.MS-LS1-6

Which of the following flows through ecosystems in one direction?

• carbon

• energy

• water

• nitrogen

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NGSS.MS-LS2-3

Use the picture to explain how photosynthesis works. Sort the steps in order starting with what happens first.

• Oxygen is a by-product that's released.

• Carbon dioxide, water, and light energy combine.

• Sugar/glucose inside the leaf is made.

• The Sun provides light energy.

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NGSS.MS-LS1-6

NGSS.MS-LS1-7

Why are food webs better representations of how energy moves through an ecosystem than food chains?

• Food chains include decomposers, which do not play a role in energy movement through an ecosystem.

• Food chains show how matter moves through an ecosystem, but not energy.

• Food webs include how energy enters an ecosystem, and food chains don't.

• Food webs show that animals in an ecosystem can get energy by eating different things.

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NGSS.MS-LS1-6

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Which organism has the most energy available in the food web shown?

• diatoms

• orca

• leopard seal

• fish

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NGSS.MS-LS2-3

Which organism has the least energy available in the food web shown?

• diatoms

• orca

• leopard seal

• fish

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NGSS.MS-LS2-1

NGSS.MS-LS2-3

NGSS.MS-LS2-4

In the food web, what eats the squid?

• diatoms

• orca

• leopard seal

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NGSS.MS-LS2-2

TRUE or FALSE: Rabbits don't need to eat plants to get the energy and matter they need because they're producers.

• True

• False

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NGSS.MS-LS2-1

What needs to be added to this model to show how energy flows into and out of this food web.?

• an eagle

• manure

• the Sun

• fungi

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NGSS.MS-LS1-6

NGSS.MS-LS2-3