Answer: Vertebrates are differentiated by having a vertebral column. As chordates, all vertebrates have a similar anatomy and morphology with the same qualifying characteristics , a dorsal hollow nerve cord, pharyngeal slits
Example
Vertebrates have a spine, or backbone, made of multiple disc-shaped bones called vertebrae. There are five classes of vertebrates which are: amphibians, fish, reptiles, birds, and mammals. Examples include frogs, tuna, snakes, parrots, and monkeys.