Question

what is the main difference between vertebrates and invertebrates​

Answer 1

The animal kingdom has been divided into two major groups: Invertebrates and Vertebrates. Invertebrates are those that do not possess a vertebral column or backbone while Vertebrates are those where vertebral column or backbone is present.

Answer 2

Invertebrates are those that do not possess a vertebral column or backbone while Vertebrates are those where vertebral column or backbone is present.