Nutrition is the process of consuming and utilizing food materials to grow, maintain, and reproduce. It involves eating a healthy and balanced diet that provides the energy and nutrients needed for good health. Understanding nutrition terms can help you make better food choices. Autotrophic nutrition is a type of nutrition in which organisms produce their own food from simple inorganic substances.
This type of nutrition is found in plants, algae, and some bacteria. The two main types of autotrophic nutrition are photosynthesis and chemosynthesis. Photosynthesis is the process by which plants use light energy from the sun to convert carbon dioxide and water into glucose and oxygen. This glucose is then used as an energy source for the plant.
Chemosynthesis is a process by which certain organisms use energy from chemical reactions to produce carbohydrates. Humans are holozoic, meaning they rely on consuming other organisms for their nutrition. This means that humans must consume food that has already been produced by other organisms in order to obtain the necessary nutrients for growth, maintenance, and reproduction.