Matter and Energy in Ecosystems

Which of the following flows through ecosystems in one direction?

• A) carbon

• B) energy

• C) nitrogen

• D) water

Tags

NGSS.MS-LS2-3

In what form is energy that is NOT used for life processes released from living things?

• A) light energy

• B) sound energy

• C) thermal energy

• D) chemical energy

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NGSS.MS-LS1-7

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

• A) Food chains include decomposers, which do not play a role in energy movement

  through an ecosystem.

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

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

• D) Food webs show that animals in an ecosystem can get energy by eating different

  things.

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NGSS.MS-LS1-6

NGSS.MS-LS2-3

In the food web, what eats the squid?

• A) diatoms

• B) squid

• C) leopard seal

• D) orca

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NGSS.MS-LS2-2

NGSS.MS-LS2-4

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

• A) diatoms

• B) squid

• C) leopard seal

• D) orca

Tags

NGSS.MS-LS2-3

______________ is in the figure.

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NGSS.MS-LS1-6

Describe the water cycle.

• 
• 
• 
• 

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NGSS.MS-ESS2-4

What is the primary source of energy in the given food web?

• A) diatoms

• B) squid

• C) leopard seal

• D) orca

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Which organism is at the highest trophic level in the food web?

• A) diatoms

• B) squid

• C) leopard seal

• D) orca

Tags

NGSS.MS-LS2-3

How does energy that is not used for life processes get released from living things?

• A) light energy

• B) sound energy

• C) thermal energy

• D) chemical energy

Tags

NGSS.MS-LS1-7