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.

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]
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
Translations
ravintoympyrä
References in periodicals archive ?
Illustration 2-3 USDA Food Pyramid Introduced in 1992
Remember learning the food pyramid in elementary school?
The Centre of attraction was the 3D model of Food Pyramid which the students of semester VII prepared.
Contract awarded for purchase of food pyramid didactic, corresponding to health promotion.
Ferrin as discusses moderation and its overwhelming force in creating a healthy lifestyle, stating that taking the food pyramid as law can lead to many mistakes in promoting better health.
Alarmingly, only 36% of Irish people consider themselves knowledgeable about the food pyramid and its suggested daily intake.
The above quote leads off the introduction to Your Best Investment, setting the state for a book that may turn some Americans' long - held beliefs about nutrition upside down, beginning with the classic Food Pyramid, released by the US Department of Food and Health.
The new icon replaces the food pyramid as the federal government's primary food group symbol and is based on the 2010 Dietary Guidelines for Americans.
What has changed from the Food Pyramid Guide, first published by the U.
The United States Department of Agriculture (USDA) introduced a new symbol for healthy eating today and stopped using the food pyramid it first introduced in 1992.
The latest federal guidelines reiterate what we already know about eating more fruits and vegetables, and reducing portion sizes, so while the food pyramid regularly gets tweaked and dietitians come out with their stern pronouncements, in the end it all amounts to common sense.
The petition notes that obesity and diabetes rates have skyrocketed since the food pyramid was introduced 2 decades ago, and asks that the two agencies' latest version replace the pyramid with the committee's Power Plate vegetarian alternative.