Crash Course Dirt on Decomposers

For lots of different living things, waste is actually a good source of ___

• Shelter

• energy

• water

• life

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Losing the decomposers in a food chain would completely mess up ___

• the Lion King movie

• a clean desk

• the nice balance

• the garbage

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Organisms, like bacteria, insects and worms, that break down waste are called ___

• carnivore

• herbivores

• decomposers

• omnivores

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Energy flows through a system of living things in a "what eats what" model called ___

• the carbon cycle

• a food chain

• the water cycle

• an energy line

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In an ecosystem, decomposers break down ___

• nutrients

• waste

• insects

• worms

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Which organisms keep waste from piling up in an ecosystem?

• decomposers

• plants

• mice

• owls

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Chemicals go into the ground and are taken up by ___

• the sun

• plants

• decomposers

• animals

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Decomposers break waste down into ___

• bacteria an some fungi

• nutrients and other chemicals

• plants and trees

• insects and worms

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The food chain example, from the video, had energy flowing from the mouse to the ___

• tree

• raccoom

• apple

• owl

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Where do decomposers fit into the food chain?

• at the beginning

• in the middle

• any time there's waste

• at the end

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