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  2. List of commodities exchanges - Wikipedia

    en.wikipedia.org/wiki/List_of_commodities_exchanges

    The floor of the Chicago Board of Trade, a major commodities exchange in the United States. A commodities exchange is an exchange , or market, where various commodities are traded. Most commodity markets around the world trade in agricultural products and other raw materials (like wheat , barley , sugar , maize , cotton , cocoa , coffee , milk ...

  3. Columbian exchange - Wikipedia

    en.wikipedia.org/wiki/Columbian_exchange

    The Columbian exchange, also known as the Columbian interchange, was the widespread transfer of plants, animals, and diseases between the New World (the Americas) in the Western Hemisphere, and the Old World (Afro-Eurasia) in the Eastern Hemisphere, from the late 15th century on.

  4. List of traded commodities - Wikipedia

    en.wikipedia.org/wiki/List_of_traded_commodities

    Grains, food and fiber. Symbol from [1] Commodity Main exchange MIC Contract size Symbol Corn: CBOT: XCBT: 5000 bu C/ZC (Electronic) Corn EURONEXT: 50 tons EMA

  5. Food system - Wikipedia

    en.wikipedia.org/wiki/Food_system

    The term food system describes the interconnected systems and processes that influence nutrition, food, health, community development, and agriculture.A food system includes all processes and infrastructure involved in feeding a population: growing, harvesting, processing, packaging, transporting, marketing, consumption, distribution, and disposal of food and food-related items.

  6. MyPlate - Wikipedia

    en.wikipedia.org/wiki/MyPlate

    MyPlate is the latest nutrition guide from the USDA. The USDA's first dietary guidelines were published in 1894 by Wilbur Olin Atwater as a farmers' bulletin. [4] Since then, the USDA has provided a variety of nutrition guides for the public, including the Basic 7 (1943–1956), the Basic Four (1956–1992), the Food Guide Pyramid (1992–2005), and MyPyramid (2005–2013).

  7. Food biodiversity - Wikipedia

    en.wikipedia.org/wiki/Food_biodiversity

    Food biodiversity is defined as "the diversity of plants, animals and other organisms used for food, covering the genetic resources within species, between species and provided by ecosystems." [ 1 ] Food biodiversity can be considered from two main perspectives: production and consumption.

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    mail.aol.com

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  9. Food web - Wikipedia

    en.wikipedia.org/wiki/Food_web

    The linkages in a food web illustrate the feeding pathways, such as where heterotrophs obtain organic matter by feeding on autotrophs and other heterotrophs. The food web is a simplified illustration of the various methods of feeding that link an ecosystem into a unified system of exchange.