GEOLOGY

Detailed explanation-1: -The 5 groups of vertebrates (animals that have a backbone) are fish, amphibians, reptiles, birds, and mammals.

Detailed explanation-2: -The phylum chordata (animals with backbones) is divided into five common classes: fish, amphibians, reptiles, mammals and birds.

Detailed explanation-3: -Animals with backbones are called vertebrates. They comprise one of the best-known groups of animals and include fishes, amphibians, reptiles, birds, and mammals, including humans. Vertebrates are members of the subphylum Vertebrata, which is part of the phylum Chordata. Encyclopædia Britannica, Inc.

Detailed explanation-4: -Members include the amphibians, reptiles, birds, and mammals.

Detailed explanation-5: -Vertebrates are animals that have a backbone or spinal column, also called vertebrae. These animals include fish, birds, mammals, amphibians, and reptiles. How are they classified? Vertebrates are classified by the chordate subphylum vertebrata.