therapsids
A prehistoric reptile ancestor is the therapsid.
The common ancestor of mammals and birds was a reptile.
There's a misconception at work here. The reptilian branch of evolution did not spawn the mammalian branch of evolution. You need to go back to the reptilian ancestor that was also a mammalian ancestor. We humans do have what is referred to as a reptilian brain, which is a small part of our whole brain.
No, an alligator is a reptile.
reptile
It is a monkey
They are warmblooded Mammals
No. They are mammals.
no, but they share a common reptile ancestor.
Platypuses are not part reptile. They are completely mammals.
No, they're mammals.
The prehistoric reptile ancestor of mammals is called Synapsids. They were a group of reptiles that lived during the Permian and Triassic periods, and eventually evolved into mammals in the Mesozoic era. The most well-known synapsids include Dimetrodon and Thrinaxodon.