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Nutrition is the process by which organisms use food and water to support life through biochemical and physiological functions.
Nutrition is the biochemical and physiological process by which an organism uses food and water to support its life. By taking in nutrients, organisms obtain the substances they need—both macronutrients and micronutrients—that can be metabolized to produce energy and to build and maintain chemical structures. If an essential nutrient is consumed in too little or too much quantity, malnutrition can result. The purpose of nutrition is therefore to ensure survival, growth, and reproduction by supplying the body with necessary nutrients and enabling metabolic reactions. Different organisms require different nutrients and obtain them in different ways: some consume organic matter, some inorganic matter, some absorb light, and others can produce nutrients internally from basic elements. Across ecosystems, nutrient cycling also helps return essential elements to the environment after they are absorbed or consumed, supporting ongoing biological function.
Nutrition is the process by which organisms use food and water to support life through biochemical and physiological functions.
Nutrients obtained from food and water are metabolized to generate energy and build body structures; imbalance can cause malnutrition.
Organisms differ in nutrient needs and acquisition methods (consuming organic/inorganic matter, absorbing light, or producing nutrients internally).
Nutrient cycling helps recycle essential elements back into the environment, supporting ecosystem function.
The biochemical and physiological process by which an organism uses food and water to support its life.
Substances in food and water that provide energy and physical components needed for survival, growth, and reproduction.
Primary nutrients required in larger amounts, including carbohydrates, lipids, and proteins.
Nutrients required in trace amounts, including vitamins and minerals.
Health problems that occur when an organism has too little or too much of an essential nutrient.
A biogeochemical cycle in which inorganic matter moves through soil, organisms, air, or water and is exchanged in organic matter, allowing essential elements to be recycled.
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