Mammals are most adapted among the vertebrates. Elaborate.
Mammals are found in a variety of habitats like deserts, plains and mountains. They differ in the type of jaws and sexes are separate and fertilization is internal. They
have pairs of limbs which are used for walking, burrowing, climbing etc. Their mammary glands produce milk to nourish their young ones. They are warm-blooded
which helps them maintain their body temperature in different weather conditions. They have hair-like structures which act as insulation against cold. The 4-chambered
heart is present in mammals. The brains are more developed. Examples of Mammals: Humans, Whales, Dogs, Camels, etc