Environmental exist on the surrounding in which life exist on the earth. Components like animal, human, sunlight ,water ,trees and air make up the environment. They are the earth living and nonliving component. Living organism include human, animals and plants. Not living components such as sun, water and air are essential for life.

Both living and nonliving organisms are depend on each other two maintain the ecosystem. In disturbance of any the categories will create the chaos in the entire ecosystem and thrighten the environment just like the growing human population has become a threat  to the environment. The atmosphere and the hydrosphere on the other hand are the component of environment that have the impact of on the life of living things. The atmosphere contain gas is like oxygen and nitrogen. Every living thing is develop the according to the characteristics of these components. Aquatic species for example are design to breathe underwater. Area animals are designed to breath and air. So so even the tiniest change in the nature's subtle balance make a difficult difficult to living organisms survive in the environment.