The fascinating attribute of an ecosystem is the diversity of species that make up the system. A diversity of functional group is natural because the food web in an ecosystem involves, autotrophs, herbivores, carnivores, detrivores and so on. Diversity of being organism appears to be a feature of our entire biosphere. Nature has taken more than 600 millions years to develop the exceeding by complex spectrum of life in the biosphere. The onset of biological diversity or reduction in diversity of life forms is bound to have serious consequences for the entire living world. The total number of races, varieties or species is sum total of various types of microbe’s plants and animal present in system is known as biological diversity or biodiversity.