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Food is any substance consumed to provide nutritional support and energy to an organism. [2] [3] It can be raw, processed, or formulated and is consumed orally by animals for growth, health, or pleasure.
The USDA's original food pyramid, from 1992 to 2005 [1]. A food pyramid is a representation of the optimal number of servings to be eaten each day from each of the basic food groups. [2]
An Amblypodia anita (purple leaf blue butterfly) gathering nutrients from guano. Nutrition is the biochemical and physiological process by which an organism uses food to support its life.
A selection of magnesium-containing food consumed by humans. The human diet can vary widely. In nutrition, diet is the sum of food consumed by a person or other organism. [1] ...
The World Health Organization (WHO) makes the following five recommendations with respect to both populations and individuals: [10]. Maintain a healthy weight by eating roughly the same number of calories that your body is using.
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A freshwater aquatic food web. The blue arrows show a complete food chain (algae → daphnia → gizzard shad → largemouth bass → great blue heron). A food web is the natural interconnection of food chains and a graphical representation of what-eats-what in an ecological community.
Whole foods are foods that are unprocessed and unrefined. [1] [2] [3] Examples of whole foods include grains such as oatmeal and rice, fruits, vegetables, dried beans, nuts, seeds, unprocessed meats, and fish.