These including the living components of the world (Earth) and what are derived from living things. Natural resources, such as plants, animals, fungi, bacteria, and their natural by-products would be examples of things that are biotic--that compose the biosphere.
Bio is the latin root word for life. So biotic things are living. They must be made of cells, reproduce, grow/adapt, and use energy. Examples: plants, animals, bacteria, fungus
