Energy Flow Through Food Webs

Another name for a producer is an ________.

• autotroph

• heterotroph

• consumer

• michael bay

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NGSS.MS-LS2-2

Examine the food web of an area. Which food chain shows one of the ways energy flows in this ecosystem?

• Owl → spider → snail → green plant

• Wood mouse → spider → grasshopper → green plant

• Green plant → wood mouse → spider → shrew

• Green plant → beetle → shrew → owl

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NGSS.MS-LS1-6

NGSS.MS-LS2-3

The table shows the main food source of different organisms that make up a food chain. Which set of trophic levels correctly describes the organisms?

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NGSS.MS-LS2-2

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NGSS.MS-LS2-4

Which diagram most accurately shows the flow of energy in an environment?

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NGSS.MS-LS1-6

NGSS.MS-LS2-3

Examine the food chain. If a disease killed all the mice in this food web, how would that affect the owls and hawks?

• Owls would be affected more because they are predators for fewer animals than the hawks.

• Hawks would be affected more because they are predators for more animals than the owls.

• Since they are both predators of mice, the hawks and the owls would be affected the same.

• Since they are both predators of other animals, neither the hawks nor the owls would be affected.

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NGSS.MS-LS2-1

NGSS.MS-LS2-2

NGSS.MS-LS2-4

Examine the food web of an area. Which statement explains an effect of removing spiders from the ecosystem?

• The snail population will increase due to the removal of a consumer.

• Wood mice will begin to eat more shrews.

• Shrews and wood mice will have less competition for grasshoppers.

• Beetles and grasshoppers will decrease due to the loss of a predator.

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NGSS.MS-LS2-1

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The diagram shows a food web. How does the frog receive nitrogen in the food web?

• by being preyed on by the kingfisher

• by competing with small fish for food

• by feeding on water beetles and snails

• by feeding on water beetles and algae

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NGSS.MS-LS2-1

NGSS.MS-LS2-3

How is carbon passed along the food chain?

• Plants intake carbon dioxide and release oxygen, which is then taken up by animals.

• Plants release carbon dioxide into the atmosphere, which is then taken up by animals.

• Plants absorb sunlight to make carbon dioxide that is passed on to animals that feed on them.

• Plants intake water and carbon dioxide to make carbon compounds, which is passed to animals that feed on them.

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NGSS.MS-LS1-6

NGSS.MS-LS2-3

Arrows in a food web show the flow of

• energy

• protein

• nutrients

• glucose

Tags

NGSS.MS-LS2-3

What do the arrows show in this food chain:

• The arrow points from the organism being eaten to the organism that eats it.

• The arrow points from the organism that eats it to the organism that is being eaten.

• The arrow points from biggest animal to smallest animal.

• The arrow points from the consumers to the producers.

Tags

NGSS.MS-LS2-3