food chain


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food chain

1. A hierarchy of organisms that transfer food energy between them. The smallest organisms are at the bottom—and they are preyed upon by the larger ones above them in the food chain. Grizzly bears are at the top of the food chain.
2. A hierarchy of people in a group or organization. Often used in the phrases "at the top of the food chain" and "at the bottom of the food chain." As a medical intern, I'm at the bottom of the food chain, but I'll move up soon enough. It will take a while to move up the food chain in such a large company, but you'll make manager soon enough.
See also: chain, food
References in periodicals archive ?
They do this by getting onto other types of land, or taking advantage of byproducts that aren't used in the food chain today, or by intercropping.
Responding to Ms Creagh's claims, the FSA said: "Horses which have been treated with phenylbutazone or 'bute' are not allowed to enter the food chain.
The FSA also confirmed that one of the four cows, Dundee Paradise, remained part of a dairy herd on a UK farm, but there was no evidence milk from the animal had entered the food chain.
The FSA confirmed that one of them "will have been eaten" while the other was stopped from entering the food chain.
Because it is intended to improve food safety, the food chain approach will be an important tool for achieving food security--a sufficient supply of safe and nutritious food.
However, as a new link in the Great Lakes food chain, Ricciardi worries, the fatty crustacean could boost concentrations of pollutants such as polychlorinated biphenyls in the larger fish.
The warning comes from the English Beef and Lamb Executive following reports that since the changes to the Over Thirty Month rule in November, 41 animals that were born prior to August 1996 have been presented for food chain use.
The whole idea that these poisons that were supposed to take care of a rodent population are potentially moving up the food chain is a scary thing,'' said Nicole Bernson, senior policy adviser with Smith's office.
PREDICT: The animal at the top of the food chain is the animal with the fewest number of predators (animals that hunt and catch other animals for food).
Yet cottonseed oil is commonly used in livestock feed (along with the hulls) and in many human foods, which is a possible means for residual pesticides to enter the food chain.
Grade 3-4 students can discover the fascinating links in the food chain through Weigl's new series Nature's Food Chain.
The impact of these effluents on our health is aggravated by our tendency to eat high on the marine food chain.
said last week that Burger King had agreed to continue selling Frozen Coke drinks in the United States as part of a deal to end a dispute triggered by the soft drink maker's admission that it had deceived the fast food chain in a marketing program.
Food chain suppliers in the UK generally operate in modern premises built with composite panelling.