Food Webs

What are plants called in a food chain?

• Producers
• Consumers
• Decomposers
• Scavengers

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NGSS.MS-LS2-3

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What are animals called in a food chain?

• Producers
• Consumers
• Decomposers
• Plants

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NGSS.MS-LS2-3

What are the organisms that break down dead stuff?

• Producers
• Consumers
• Decomposers
• Organisms

Where does the energy start in this food chain?

• Plant
• Sun
• Deer
• Wolf

Which group is not represented in the food web?

• producers

• primary consumers

• secondary consumers

• decomposers

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NGSS.MS-LS2-3

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What do the arrows in the food chain indicate about the flow of energy in an ecosystem?

• Energy is continuously recycled by the organisms in an ecosystem.

• Energy flows in one direction in an ecosystem, from producers to consumers.

• More of the available energy in an ecosystem is given to large animals than to small animals.

• Organisms at the end of the food chain receive more energy than those at the beginning.

Tags

NGSS.MS-LS2-3

NGSS.MS-LS1-6

In this energy pyramid, which organism would most likely be in level 2?

• bird

• fox

• caterpillar

• tree

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NGSS.MS-LS2-3

How would the removal of earthworms from the food chain affect the other organisms?

• The number of bass will increase.

• The number of crayfish will decrease.

• The crayfish will get their energy directly from the sun.

• The number of bass and ospreys (bird) will increase.

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NGSS.MS-LS2-3

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The diagram shows part of an aquatic food web for a stable lake ecosystem in Connecticut. What is the source of energy for the algae?

• waves

• sunlight

• bacteria

• rotifers, water fleas and tadpoles

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NGSS.MS-LS2-3

NGSS.MS-LS1-6

Suppose that a new predator of the rabbit migrated to this ecosystem. What is the most likely initial effect on the other organisms?

• More competition among the mice for food

• More competition among the hawks for food

• Less competition among snakes for food

• Less grass available for food

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NGSS.MS-LS2-4

NGSS.MS-LS2-1

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