Energy Flow in Ecosystems

What is the primary source of energy for most ecosystems?

• The Moon

• The Sun

• The Wind

• The Soil

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NGSS.MS-LS2-3

NGSS.MS-LS1-6

Which process do plants use to convert sunlight into chemical energy?

• Respiration

• Photosynthesis

• Decomposition

• Evaporation

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NGSS.MS-LS2-3

NGSS.MS-LS1-6

In the food chain, which organisms are typically at the base?

• Carnivores

• Herbivores

• Producers

• Decomposers

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NGSS.MS-LS1-6

What do decomposers do in an ecosystem?

• Produce food

• Break down dead organisms

• Hunt other animals

• Pollinate plants

Tags

NGSS.MS-LS2-3

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

• Lion

• Grasshopper

• Oak Tree

• Mushroom

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NGSS.MS-LS2-3

What is the term for the movement of energy through a food chain?

• Energy Cycle

• Energy Flow

• Energy Loop

• Energy Web

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NGSS.MS-LS2-3

Which of the following is a secondary consumer?

• Rabbit

• Deer

• Wolf

• Grass

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NGSS.MS-LS2-3

What is the role of producers in an ecosystem?

• They eat other animals

• They make their own food

• They decompose dead matter

• They compete for sunlight

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NGSS.MS-LS2-3

Which of the following best describes the cycle of matter in an ecosystem?

• Matter is created and destroyed

• Matter is recycled

• Matter flows in one direction

• Matter is lost as heat

Tags

NGSS.MS-LS2-3

NGSS.MS-LS1-6

What is the main difference between the flow of energy and the cycle of matter in ecosystems?

• Energy is recycled, matter is not

• Matter flows in one direction, energy is recycled

• Energy flows in one direction, matter is recycled

• Both energy and matter flow in one direction

Tags

NGSS.MS-LS2-3