Question

answer the question














​

Answer 1

Answer:

(A). Mammals are a class of endothermic vertebrates. They have four limbs and produce amniotic eggs. Examples of mammals include bats, whales, mice, and humans. Clearly, mammals are a very diverse group

(B). Mammals have four limbs and produce amniotic eggs. The mammal class is defined by the presence of mammary glands and hair (or fur). Other traits of mammals include sweat glands in their skin, alveoli in their lungs, a four-chambered heart, and a brain covering called the neocortex

(C). The platypus has a unique, flexible bill for catching and grinding up prey. Incredibly thick fur allows the platypus to swim for hours in cold water—as cold as 0°C (32°F) in Tasmania.

Answer 2

A mammal is an animal that breathes air, has a backbone, and grows hair at some point during its life. For example- human beings, cats, monkeys, etc.