Animal World

Animal Characteristics and Activities

What group of vertebrates were the first terrestrial vertebrates?

Reptiles were the first group of vertebrates that were truly terrestrial. There were a number of adaptations that led to their successful terrestrial life.


This is a web preview of the "The Handy Science Answer Book" app. Many features only work on your mobile device. If you like what you see, we hope you will consider buying. Get the App