What are the advantages of classifying organisms?

There are millions of species on this earth. For anybody, it is impossible to study about each of them in his lifetime. Classification makes it easy to study the organisms; on the basis of certain common characters. 

The scientific name for an organisms is unique and can be used to identify it anywhere in the world. This is the advantage of classifying organisms.

Classification of organisms is done to make their study simpler and easier. Organisms are classified on many bases like presence or absence of cell wall, their nature i.e. prokaryotic and eukaryotic, their habitat, etc. The major characteristics considered for classifying all organisms are:

• Type of cellular organization: whether the organism is prokaryotic or eukaryotic 
• Body organization: whether the organism is multicellular or unicellular 
• Mode of obtaining food: whether the organism is autotrophic of heterotrophic 
• Presence or absence of cell wall