All vertebrates have back bones.
No there is more with backbones
No backbones
Pigs do have backbones.
it has 2 backbones
All snakes have backbones.
Yes, they do.
no myriapods don't have backbones
all fishes have backbones
no they don't have backbones
The backbones are part of the skeleton.
None. They are invertebrates, which mean they do not have backbones, or bones of any type.
no......ice fishes do not have backbones.