An ecosystem consists of all the organisms and the physical environment with which they interact. Ecosystem is extremely important because of many reasons. It provides habitat to wild plants and animals, it promotes various food chains and food webs, it controls essential ecological processes and promotes lives and is also involved in the recycling of nutrients between biotic and abiotic components. It is a necessity to have knowledge of such and therefore the working of an ecosystem is studied by students by the 6th standard. One should take care of one ecosystem because it regulates life. Through the care, one is benefitted well and good as it provides clean air, good carbon storage, water purification and lots more.