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Food, substance consisting basically of protein, carbohydrate, fat, and other nutrients used within the frame of an organism to maintain growth and essential approaches and to grant energy. The absorption and usage of meals by using the body is fundamental to vitamins and is facilitated by digestion. Plants, which convert sun electricity to meals by way of photosynthesis, are the primary food source. Animals that feed on flowers frequently serve as assets of food for different animals. To learn extra about the sequence of transfers of matter and power within the form of meals from organism to organism, see meals chain.

Hunting and collecting, horticulture, pastoralism, and the improvement of agriculture are the number one way by using which people have tailored to their environments to feed themselves. Food has lengthy served as a provider of way of life in human societies and has been a using pressure for globalization. This become in particular the case for the duration of the early levels of European alternate and colonial expansion, whilst foods inclusive of the hot crimson pepper, corn maize, and sweet potatoes spread for the duration of Europe to Africa and Asia.

Food is dealt with in some of articles. For a description of the strategies of absorption and usage of meals, see vitamins; vitamins, human; digestion; and digestive system, human. For records at the methods used to put together uncooked foods for cooking, intake, or garage, see food renovation.