ecological pyramid: Explanatory note on ecological pyramids

An ecological pyramid is a graphic representations of ecological food chain/web. It indicates how organisms are related according to their trophic (feeding) levels. It may also indicate the number or biomass of organisms at different trophic level called pyramid of  biomass or amount of energy available at each trophic level called pyramid of energy. It shows the amount of energy; biomass and number of individuals decrease at each trophic level.

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