DENDROLOGY

Detailed explanation-1: -Mammals are a group of vertebrate animals constituting the class Mammalia, and characterized by the presence of mammary glands which in females produce milk for feeding their young, a neocortex, fur or hair, and three middle ear bones.

Detailed explanation-2: -Zebras, bats, and bears do it. So do whales, tigers, and humans. These animals all nourish their newborn offspring with milk.

Detailed explanation-3: -Another characteristic that all mother mammals have are mammary glands. The function of the mammary glands is to produce milk and for their babies. Only mammals have diaphragm.

Detailed explanation-4: -Mammals can be identified by the presence in females of mammary glands that produce milk for offspring. Mammals are warm-blooded vertebrates with sweat glands, hair, three middle ear bones and a neocortex region in the brain.