Which pyramid illustrates that at each successive trophic level there is a decreasing amount of energy available?

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Ecological pyramids represent the amount of energy or biomass transferred from one trophic level to another, with each successive level having a smaller amount of energy available. This is due to the second law of thermodynamics, which states that with each energy transfer, some energy is lost as heat. Pyramids representing the number of organisms or the specific pathways of a food chain or web do not necessarily show a decrease in energy availability. Biomass pyramids can show a decrease in energy, but not always, as some ecosystems may have a high biomass of primary producers that supports a smaller biomass of consumers.

Which Pyramid Illustrates That at Each Successive Trophic Level There