No. There are no amphibians that are mammals. Amphibians are the frogs, toads, Salamanders and Newts plus their kind. And none of them are mammals. Not all vertebrates are mammals, though all mammals are vertebrates. Vertebrates have backbones, and apes and whales are mammals and are vertebrates. But there are many vertebrates that are not mammals. Fish are vertebrates, and they are not mammals.
Amphibians have red blood but it has a nucleus in the center of the cell unlike mammal red blood. Amphibians are cold-blooded.
A dolphin is a mammal.
A frog isn't a mammal. They are amphibians.
mammal
No it's a mammal
It is actually a mammal.
no. a hippopotamus is a semi aquatic mammal.
They do not feed their young milk. That is what Mammals do and what makes a mammal a mammal.
No, it is amphibians that have moist skin.
A type of fish is one of our ancestors. Man is a primate and a mammal, (that's why we have mammary glands). Our ancestry cam be traced back to mammal-like reptiles, to amphibians and, previous to that, fish.
No. Amphibians and mammals are two separate classes.
Amphibians of course!