Classification of Mammalia | Zoology
In this article we will discuss about the classification of mammalia. 1. The skin is clothed with hairs and provided with sweat and sebaceous glands. Sweat evaporation keeps the body cool and sebum keeps the hair and skin soft and pliable. 2. Dermal milk gland or mammary gland present. 3. The teeth are heterodont with differentiation into incisors, canines and [...]