EVERYDAY SCIENCE

Detailed explanation-1: -mammal, (class Mammalia), any member of the group of vertebrate animals in which the young are nourished with milk from special mammary glands of the mother. In addition to these characteristic milk glands, mammals are distinguished by several other unique features.

Detailed explanation-2: -Mammals include humans and all other animals that are warm-blooded vertebrates (vertebrates have backbones) with hair. They feed their young with milk and have a more well-developed brain than other types of animals.

Detailed explanation-3: -Mammals are distinguished from other vertebrate animals by several unique features. All mammals produce and secrete milk from mammary glands to feed their offspring. They also have hair on their bodies, although some mammalian groups have less hair than others.

Detailed explanation-4: -A mammal is an animal that breathes air, has a backbone, and grows hair at some point during its life. In addition, all female mammals have glands that can produce milk. Mammals are among the most intelligent of all living creatures. Mammals include a wide variety of animals, from cats to humans to whales.

Detailed explanation-5: -Short and simple answer: mammals are animals that produce milk to feed their babies. Most of them also give birth (although the platypus and echidna, found in Australia, lay eggs). Their bodies are covered in hair rather than scales or feathers, or they are mostly hairless but descended from hairy ancestors.