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Science

Food chains and cycles

Food chains and cycles - Test

1.

What is biomass?

2.

Which one of these organisms is a producer?

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3.

Where does the energy in a food chain usually originally come from?

4.

What happens to the amount of energy as it is transferred from one stage to the next in a food chain?

5.

The efficiency of food production can be improved by:

6.

What processes are shown by the letters A, B and C?

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7.

Decay happens faster when the conditions are: