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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]
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Universalium. 2010.
food pyramid
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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 — 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
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
