MICROANATOMY

Detailed explanation-1: -Mammals are a group of vertebrate animals. Examples of mammals include rats, cats, dogs, deer, monkeys, apes, bats, whales, dolphins, and humans.

Detailed explanation-2: -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.