food
This article is about food for all organisms. For food for humans, see Human food. For other uses, see Food (disambiguation). "Foodstuffs" redirects here. For the New Zealand grocery company, see Foodstuffs (company). Food is any substance consumed by an organism for nutritional support. Food is usually of plant, animal, or fungal origin and contains essential nutrients such as carbohydrates, fats, proteins, vitamins, or minerals. The substance is ingested by an organism and assimilated by the organism's cells to provide energy, maintain life, or stimulate growth. Different species of animals have different feeding behaviours that satisfy the needs of their metabolisms and have evolved to fill a specific ecological niche within specific geographical contexts. Table set with red meat, bread, pasta, vegetables, fruit, fish, and beans Display of various foods Omnivorous humans are highly adaptable and have adapted to obtaining food in many different ecosystems. Humans genera...