Biotic Components

Biotic Components

Biotic or living components of the environment consist of flora (plant), fauna (animal), and micro-organisms. The biotic components are the drivers of the energy flow and the material cycles in the biosphere. On the basis of the relationship among nutrients, the biota can be divided into two groups – Autotrophic or self-nourishing components (e.g. all green plants) and heterotrophic components (e.g. all animals).