What is the need to classify organisms

1) easy to study about organisms.
2) ability to identify specific distinguishable characteristics of a given organism.
3) ability to get an idea about the whole biosphere by studying about few selected organisms, without studying each and every organism.
4) ability to revel the relationship between different group of organism.
5) identification of organisms with economical uses to human.

Because it helps in the identification of different organisms and gives us an idea of its characteristics