Answer:
t is called vertebrate zoolgy
What are the 5 types of vertebrates?
These five classes are fish, amphibians, reptiles, birds, and mammals. Fish (including sharks) make up the largest group of vertebrates. Nearly half of all vertebrates are fish. Fish have been swimming in Earth's water for more than five hundred million years- longer than any other kind of vertebrate has been on Earth.
Explanation:
