Question

vertebrates are grouped into how many classes?what are they?​

Answer 1

Answer:

amphibians , aves, reptiles, mammals

Answer 2

Vertebrates can be subdivided into five major groups. They are: fishes, amphibians, reptiles, birds, and mammals. Amphibians, reptiles, birds, and mammals are ranked as classes. The fishes includes five different classes: Myxini, Hyperoartia, Chondrichthyes, Actinopterygii, and Sarcopterygii.