Economics Producers and Consumers

In an ecosystem, which of the following best describes the role of producers?

• They consume other organisms for energy.

• They produce energy through photosynthesis.

• They decompose organic matter.

• They compete with consumers for resources.

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NGSS.MS-LS1-6

NGSS.MS-LS2-3

Which of the following is a primary consumer in a food chain?

• Grass

• Deer

• Lion

• Fungi

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NGSS.MS-LS2-2

NGSS.MS-LS2-3

What is the main source of energy for producers in an ecosystem?

• Chemical energy

• Solar energy

• Thermal energy

• Nuclear energy

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NGSS.MS-LS1-6

NGSS.MS-LS2-3

In a food web, what role do consumers play?

• They produce energy for the ecosystem.

• They convert solar energy into chemical energy.

• They transfer energy by eating other organisms.

• They decompose dead organic matter.

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NGSS.MS-LS2-3

Which of the following is an example of a secondary consumer?

• Rabbit

• Grasshopper

• Snake

• Grass

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NGSS.MS-LS2-3

How do producers contribute to the carbon cycle?

• By releasing carbon dioxide during photosynthesis.

• By absorbing carbon dioxide during photosynthesis.

• By decomposing organic matter.

• By consuming other organisms.

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NGSS.MS-LS1-6

NGSS.MS-LS2-3

What is the relationship between producers and consumers in an ecosystem?

• Producers eat consumers.

• Consumers produce energy for producers.

• Producers provide energy for consumers.

• Consumers decompose producers.

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NGSS.MS-LS2-3

Which of the following processes is primarily carried out by producers?

• Respiration

• Photosynthesis

• Decomposition

• Predation

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NGSS.MS-LS1-6

In a marine ecosystem, which organism is most likely a producer?

• Shark

• Seaweed

• Jellyfish

• Crab

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NGSS.MS-LS1-6

NGSS.MS-LS2-3

What is the role of decomposers in the ecosystem?

• They produce energy through photosynthesis.

• They consume producers and consumers.

• They break down dead organic matter.

• They compete with producers for sunlight.

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NGSS.MS-LS2-3