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Definition of food pyramid

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Houghton Mifflin

food pyramid

  1. A graphic representation of the structure of a food chain, depicted as a pyramid having a broad base formed by producers and tapering to a point formed by end consumers. Between successive levels, total biomass decreases as energy is lost from the system.
  2. A diagrammatic representation of human nutritional needs, such as the Food Guide Pyramid. Also called diet pyramid.

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