Energy Flow in Ecosystems Quiz

What is the primary source of energy for an ecosystem?

• The Moon

• The Sun

• The Earth

• The Ocean

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NGSS.MS-LS2-3

NGSS.MS-LS1-6

Which process converts sunlight into chemical energy in plants?

• Respiration

• Photosynthesis

• Digestion

• Fermentation

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NGSS.MS-LS1-6

Identify the chemical equation for photosynthesis.

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NGSS.MS-LS1-6

NGSS.MS-LS1-7

What is the role of producers in an ecosystem?

• They decompose organic matter.

• They produce energy through photosynthesis.

• They consume other organisms for energy.

• They store energy in the form of fat.

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NGSS.MS-LS2-3

NGSS.MS-LS1-6

Which of the following is a primary consumer?

• Lion

• Grasshopper

• Eagle

• Snake

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NGSS.MS-LS2-3

Explain how energy is transferred from producers to consumers in an ecosystem.

• Through the process of photosynthesis

• By consuming producers

• By decomposing dead matter

• Through the water cycle

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NGSS.MS-LS2-3

NGSS.MS-LS1-6

What happens to most of the energy that a primary consumer obtains from a producer?

• It is stored as fat.

• It is used by the consumer.

• It is converted into oxygen.

• It is lost as heat.

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NGSS.MS-LS2-3

Describe the process of cellular respiration in terms of energy release.

• It stores energy in glucose.

• It releases energy from glucose.

• It converts energy into sunlight.

• It absorbs energy from the environment.

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NGSS.MS-LS1-7

What is the role of herbivores in a food chain?

• They are decomposers.

• They are primary consumers.

• They are producers.

• They are secondary consumers.

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NGSS.MS-LS2-3

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How is energy lost from an ecosystem?

• Through photosynthesis

• As heat

• Through water absorption

• As oxygen