The term "Class Amphibia" refers to a group of cold-blooded vertebrates that live on both land and water. Commonly known as amphibians, this group includes frogs, toads, salamanders, and newts. As the term "Class Amphibia" is a scientific classification, it may not be familiar to some people. However, there are several synonyms that may be easier to understand and remember. These synonyms include "amphibious animals," "amphibiotic creatures," and "anura and caudata." Understanding these synonyms can help individuals better communicate about this fascinating group of animals and their unique adaptations to a dual-terrain lifestyle.