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Answers. 1  A food chain is the what animal eats what animal. It really should be called a food web because many animals eat many other animals. The food web is a representation of an energy pyramid. An energy pyramid just shows where the energy is going. The sun is at the bottom, then plants and so on. There really are not many differences between them.
 The difference is that a food chain is one path of energy, and a food web is overlapping food chains. As for an energy pyramid it show that there is less and less food and â¦ energy available as you go from the base to the top of the pyramid   .31 people found this useful.n energy pyramid is like a food chain, because at the top of the pyramid, there is the most energy, and at the bottom there is the least energy.