Nature has millions of intervowen interrelationships among the numerous flora and fauna. Such relationships are the basis for the food webs and food pyramids. These food webs and pyramids can give us a broad idea that organisms interact with each other for their food, shelter and mating. Each specific interrelationship if studied in depth can be very interesting and brings to light significant facts of our sorroundings and the importance of each and every living being on this earth and its function in sustaining the ecological processes. In fact if the entire nature is considered one machine, each and every living being has its own role in smooth running of this machine. But knowingly and unknowingly, we have not taken care or forced to destroy such interrelationships in the path of