NGSS.5-LS2-1

A consumer gets energy by doing what?

• Making it themselves.
• Breaking down biotic wastes and dead organisms and returning raw materials to the ecosystem.
• Soaking it up from the ground.
• Feeding on other organisms.

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NGSS.5-LS2-1

True/False
Food webs show you everything an animal eats. Food chains show you one thing.

• True
• False

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NGSS.5-LS2-1

How do decomposers help other living things in ecosystems?

• They release oxygen into the atmosphere
• They turn sunlight into energy
• They release matter and nutrients back into the soil
• They get rid of dead animals so they don't smell bad

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NGSS.5-LS2-1

What does a food chain contain? Choose ALL correct answers.

• consumer
• producer
• decomposer
• all of the above

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NGSS.5-LS2-1

a _______ shows how each living thing gets food and how nutrients and energy are passed from organism to organism. 

• ecosystem
• food chain

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NGSS.5-LS2-1

Which 2 are decomposers?

• Bear

• Mushroom

• Flower

• Bacteria

• Grass

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NGSS.5-LS2-1

Organisms, like bacteria and worms, that feed on and break down dead organisms.

• consumers

• producers

• decomposers

• carnivores

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NGSS.5-LS2-1

Bacteria are released into the Gulf of Mexico to help clean up an oil spill. What role do the bacteria serve in the marine ecosystem?

• decomposers

• consumers

• producers

• predators

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NGSS.5-LS2-1

About how much energy is LOST when an organism consumes another organism from a different trophic level?

• 10%

• 90%

• 50%

• 25%

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NGSS.5-LS2-1

An organism that breaks down dead material for fuel

• Decomposer

• Producer

• Herbivore

• Carnivore

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NGSS.5-LS2-1