food pyramid A way of depicting energy þow in an ecosystem; shows producers (mostly plants or other phototrophs) on the ?rst level and consumers on the higher levels.
The food pyramid provides a detailed view of energy flow in an ecosystem. The first level consists of the producers (usually plants). All higher levels are consumers. The shorter the food chain the more energy is available to organisms.
The updated USDA food pyramid, published in 2005, is a general nutrition guide for recommended food consumption for humans.
Criticism of the Food Pyramid in the Wall Street Journal, 2002
Discussion of China Project research
Food analysis, BMI calculation etc.
Rebuilding the Food Pyramid Scientific American.com
Healthy eating guide and recipes ...
 See also: Organ, Plant, Life, Animals, Human
  
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