food pyramid
noun Date: 1949 an ecological hierarchy of food relationships in which a chief predator is at the top, each level preys on the next lower level, and usually green plants are at the bottom

New Collegiate Dictionary. 2001.

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  • Food pyramid — may refer to:*Food guide pyramid, a core concept in nutritional guides around the world. **MyPyramid, the USDA s 2005 version of the food guide pyramid. *Ecological pyramid or trophic pyramid, a representation of a food chain …   Wikipedia

  • food pyramid — n. a pyramid shaped representation of the food chain with many food producing organisms, esp. green plants, at the base and decreasing numbers of food consuming organisms, esp. animals, at each higher level …   English World dictionary

  • food pyramid — noun a) A pyramid shaped diagram in layers, where each layer represents a group of animals that feeds on the layer below. The teacher reminded us to always start the food pyramid with the plants on the bottom. b) Any pyramidal diagram giving… …   Wiktionary

  • food pyramid — food′ pyr amid n. Ecol. ecl the successive levels of predation in a food chain represented schematically as a pyramid because upper levels normally consist of decreasing numbers of larger predators • Etymology: 1945 …   From formal English to slang

  • food pyramid — Ecol. (of a food chain) successive levels of predation in a food chain represented schematically as a pyramid because upper levels normally consist of decreasing numbers of larger predators. [1945 50] * * * …   Universalium

  • food pyramid —    The normally diminishing number of individuals and amount of organic material produced at each successive level along a food chain. The declining productivity at each level results from the constant loss of energy in metabolism as the energy… …   Lexicon of Cave and Karst Terminology

  • food pyramid — noun (ecology) a hierarchy of food chains with the principal predator at the top; each level preys on the level below • Topics: ↑ecology, ↑bionomics, ↑environmental science • Hypernyms: ↑organic phenomenon …   Useful english dictionary

  • ecological food pyramid — ekologinė piramidė statusas T sritis ekologija ir aplinkotyra apibrėžtis Grafinė piramidės pavidalo individų mitybos struktūros ir funkcijų išraiška. Yra 3 piramidžių tipai: skaičių, biomasės ir energijos. atitikmenys: angl. ecological food… …   Ekologijos terminų aiškinamasis žodynas

  • Food guide pyramid — A food guide pyramid is a triangular or pyramid shaped nutrition guide divided into sections to show the recommended intake for each food group. The first food pyramid was published in Sweden in 1974.[citation needed] The most widely known food… …   Wikipedia

  • Pyramid (disambiguation) — A pyramid is any three dimensional structure where the upper surfaces are triangular and converge at one point. Pyramid may also refer to:* Pyramid (geometry), a conic solid with polygonal base * Egyptian pyramids, the pyramids of Egypt **… …   Wikipedia

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