(5) Energy in pyramids and ecosystems

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The reasons for the shape of pyramids of energy

It is a graphical representation of the amount of energy of each trophic level in a food chain. the units are kJ/m^2/yr. 

The pyramid will never be inverted since it is based on the amount of energy per unit area that flows through the trophic level of the food chain in a given amount of time. 

To make a pyramid of energy, you need to find out how much energy an organism contains and how many organisms there are in a trophic level. The amount of energy in an organism can…


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