What are the mammals unique physical features?

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.

1. What are the unique features of mammals?
2. Which is the most unique mammalian feature?
3. What physical feature is common to all mammals?
4. Is the unique characteristic feature of mammals answer?

What are the unique features of mammals?

Mammals have hair or fur; are warm-blooded; most are born alive; the young are fed milk produced by the mother's mammary glands; and they have a more complex brain than other animals.

Which is the most unique mammalian feature?

The most unique mammalian characteristic is the presence of milk producing glands (mammary glands) by which the young ones are nourished.

What physical feature is common to all mammals?

Mammals have several traits in common, including the presence of hair or fur, sweat glands, and mammary glands. Some mammals, such as dolphins and whales, evolved to live back in the ocean by adapting from land-dwelling creatures.

Is the unique characteristic feature of mammals answer?

Placenta is the unique characteristic feature of mammal.