Animals commonly called reptiles, amphibians, birds, and mammals are all tetrapods-a term that means "four feet". The transition from water to land is fascinating to scientists in part because it is our history-the transition documents the evolution of tetrapods and humans are tetrapods. Tetrapods form a clade. Which of the following is true for tetrapods

Animals commonly called reptiles, amphibians, birds, and mammals are all tetrapods-a term that means "four feet".

Explanation: Tetrapods are a group of vertebrates that namely;

1. amphibians

2. reptiles

3. birds

4. mammals.

Tetrapods are made up of all living land vertebrates, and some vertebrates who once lived on land. Such vertebrates have adapted to live in seas and oceans Examples of such vertebrates are

1. whales

2. dolphins

3. seals

4. sea turtles and many more

One of the key features of tetrapods is that they have four limbs or, their ancestors had four limbs. Are known as tetrapods

i believe your answer would be c.. : )