Understanding Energy Flow in Ecosystems

What is the term for organisms that make their own food using sunlight?

• Consumers

• Producers

• Detritivores

• Decomposers

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NGSS.MS-LS1-6

Which group of organisms feeds on dead organic matter and helps recycle nutrients?

• Producers

• Consumers

• Detritivores

• Herbivores

What is a food chain?

• A diagram showing energy loss in an ecosystem

• A group of organisms that eat only plants

• A series of organisms each dependent on the next as a source of food

• A group of producers in an ecosystem

Which of the following best describes a consumer in an ecosystem?

• An organism that produces its own food

• An organism that eats other organisms

• An organism that breaks down dead material

• An organism that uses sunlight for energy

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NGSS.MS-LS2-3

What does an energy pyramid show?

• The flow of water in an ecosystem

• The transfer of energy from one trophic level to another

• The number of producers in an ecosystem

• The types of consumers in a food web

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NGSS.MS-LS2-3

Which of the following is an example of a producer?

• Grass

• Earthworm

• Lion

• Mushroom

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NGSS.MS-LS2-3

Which statement best describes a food web?

• A single path of energy flow in an ecosystem

• A network of interconnected food chains

• A diagram showing only producers

• A list of all detritivores in an ecosystem

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NGSS.MS-LS2-3

Which of the following is NOT a consumer?

• Cow

• Eagle

• Oak tree

• Wolf

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If a rabbit eats grass and a fox eats the rabbit, which organism is the primary consumer?

• Grass

• Rabbit

• Fox

• Both rabbit and fox

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NGSS.MS-LS2-2

In a food web, what would likely happen if all the producers were removed?

• Consumers would increase

• Detritivores would become producers

• The entire ecosystem would collapse

• Nothing would change

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NGSS.MS-LS2-3

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NGSS.MS-LS2-1