Biomass PyramidThe above pyramid gives examples of an ecosystem in a common temperate rainforest. As you increase each level, the kilocalories are reduced by one tenth. There are less kcal needed at the top of the pyramid to sustain fewer organisms. (1)
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Energy PyramidThe energy pyramid above is similar to a food web or a food chain. This diagram follows the transfer of energy from each organism. Not only does the amount of energy decrease, but so does the population size as you near the point of the pyramid. (1)
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