One
No, squids are invertebrates which do not have back bones.
The bones that form our spine are called vertabrae.
Vertebrae are the bones that comprise the spine of animals with backbones.
Yes, a full spine and skull.
sharks dont have bones... their skeleton is made of cartilage
no, they dont have backbones
There are NO mammals that do not have backbones.
they dont have back bones they dont have back bones they dont have back bones they dont have back bones
All vertebrates have back bones.
fish do not have back bones
aren't they invertibrates? meaning they have no bones or watever...
yes, because the are vertebrates and vertebrates DO have back bones. Invertebrates DON'T have backbones.