Food##

Food, substance consisting essentially of protein, carbohydrate, fat, and other nutrients used in the body of an organism to sustain growth and vital processes and to furnish energy. The absorption and utilization of food by the body is fundamental to nutrition and is facilitated by digestion. Plants, which convert solar energy to food by photosynthesis, are the primary food source. animals that feed on plants often serve as sources of food for other animals. To learn more about the sequence of transfers of matter and energy in the form of food from organism to organism, see food chain.

food

Variety of fruits and vegetables.

keith Weller / U. S. Department of Agriculture (Image Number: K3839-3)

Food

KEY PEOPLE

M.F.K. Fisher

Craig Claiborne

RELATED TOPICS

Origins of agriculture

Protein

Human nutrition

Dairy product

Carbohydrate

Feed

Cooking

Fat

Famine

Restaurant

Hunting and gathering, horticulture, pastoralism, and the development of agriculture are the primary means by which humans hav