Biological classification is very useful as it serves the following purposes:
(a) It makes the identification of organisms very clear and easy.
(b) The study of these organisms is convenient.
(c) The study of few representatives from each group enables us to have a broad idea of the life of the whole group.
(d) It helps to interpret the poor visible structure of the fossil organisms.
(e) It helps to understand the evolutionary trends in various groups of organisms.