Environment means anything that surrounds us. It can be living (biotic) or non-living (abiotic) things. It includes physical, chemical and other natural forces, etc. In the environment there are different interactions between animals, plants, soil, water, and other living and non-living things. The environment consists of the air, water, land, and all the conditions that surround living organisms. It is important to note that all the systems in the environment are interrelated/ unified such as the interactions of animals and humans on the ecosystems.