Quiz – Decomposers Matter

Question 1 of 6

1. Question

The rays of the sun

Microorganisms that break down dead organic matter

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Plants that make their own food

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Large predators at the top of the chain

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The rays of the sun

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Question 2 of 6

2. Question

Nothing useful

Nutrients through biogeochemical cycles

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Sunlight

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Oxygen only

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Nothing useful

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Question 3 of 6

3. Question

Only in the atmosphere

Everywhere from soil to oceans

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Only in deserts

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Only inside plants

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Only in the atmosphere

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Question 4 of 6

4. Question

It means we can ignore soil health

It highlights the interconnectedness of all life systems

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It proves decay is pointless

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It shows plants need no nutrients

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It means we can ignore soil health

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Question 5 of 6

5. Question

Match each item with its role in decomposition.

Sort elements

Break down matter at microscopic scale
Decompose wood and leaves
Returns minerals to the soil
Benefits from recycled nutrients

Bacteria

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Fungi

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Nutrient cycling

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Plant growth

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Question 6 of 6

6. Question

Which organisms break down dead matter and recycle nutrients back into the ecosystem?

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