Energy Flows


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Pyramid of Biomass and Food chains

A pyramid of biomass tells you the mass of the different organisms in a food chain (and it can give you a better picture of a food chain than a pyramid of numbers).

Energy is transferred in a food chain from one organism to the next.

Energy is lost in food chains.

The shorter the food chain is the more efficient food production will be.

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Improving, recycling and the Carbon cycle.

We can artificially improve the efficiency of a food chain when we are producing food, but this can be controversial.

Materials are recycled by organisms.

A stable community recycles all of the nutrients.

You will need to know the carbon cycle.

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