Eco system can be termed as an environment where diverse organisms dwelling together along with the maintenance of natural equilibrium . This ecosystem can be classified broadly into two categories . 1 Natural ecosystem and the latter is man made or artificial ecosystem . All of us might have visited the latter. In natural ecosystem , just like its name , it is purely natural . It occured in a natural manner on the earth. This ecosystem is the major cause for the evolutionary principles and other biological inclination . The conserved forest ranges like the western ghats , natural parks , etc are the examples of natural ecosystem . It maintains the natural habitats of the organism. In artificial ecosystem , humans create an ecosystem for the survival and progress of organisms and also for research and analysis purposes. Various zoological parks known as zoos are example for this. Even an incubator used for hatching of eggs also a micro category under this classification.