Question

Who were the first mammals?

Answer 1

Mammals:

1. Mammals are animals who give birth to their young ones and have mammary glands to feed them.
2. They are warm-blooded animals, i.e. they can regulate their body temperature.
3. The evidence said that the earliest mammal on Earth happens to be Morganucodontids.
4. They lived on earth approximately 210 million years ago.
5. They were small in size like shrews.