food pyramid


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food pyramid

n.
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 diagram representing the optimal number of servings to be eaten each day from each of the basic food groups. Also called diet pyramid.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

food′ pyr`amid


n.
Ecol.
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.
[1945]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.food pyramid - (ecology) a hierarchy of food chains with the principal predator at the top; each level preys on the level below
bionomics, environmental science, ecology - the branch of biology concerned with the relations between organisms and their environment
organic phenomenon - (biology) a natural phenomenon involving living plants and animals
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.
Translations
ravintoympyrä
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