Introduction: Environment refers to the surrounding (both living and non-living) of the livings species. The human-beings, plants, animals and other living beings operate in the environment. Environment is also sometimes referred to as habitat.

Environment consists of both living and non-living things. Living things such as animals, plants, etc. interacts with both other living and non-living things. Similarly, non-living things such as soil, water, climate, temperature, sunlight, air, etc. interacts with other non-living and living things.