Types of environment

The environment is both physical and biological concept, it includes both the non living (abiotic) and living (biotic) components of the planet earth. Thus based on basic structure, the environment can be divided into two basic types i. e. 

1) Physical or abiotic environment and

2) Biology or biotic environment. 

Based on physical characteristics and state, abiotic or physical environment is sub division into three broad categories-

(I) Lithosphere (solid earth) 

(II) Hydrosphere (water component) and

(III) Atmosphere (gas). 

The biotic components of the environment consists of plants (Flora) and animals (Fauna) including man as an important component and micro organisms.