yes, it is a mamal and all mamals are vertibrates and all vertibrates have backbones
the spine
There are 122 bones in a dog's spine.
I wouldn't give the dog a bone like that. It splinters and will harm the dog when he swallows the splintered bone.
give her dog a bone
Back in Black
there should be what they call a dog bone that is attached to the engine and radiator support, loosen the bolts in that dog bone and grab the back of the engine and pull it forward.
The femoral artery is the one running along the thigh bone, which is the back leg of a dog. Just wrap your hand around the dog's back leg with your fingers pressing against the bone on the flat inner part of the leg and you'll feel it.
The Girls Aloud song, Dog Without A Bone is about a reunion of two lovers, where one wants the other back home.
The dog see's a reflection of him with the bone and thinks it is another dog with another bone.
The dog(s) is a member of the canine species, and are vertebrates, as they have a spine (back bone) and suckle their young.
The Dog and the Bone is one of Aesop's fables
A patient dog eat the fattest bone