Mammals are vertebrates and like all vertebrates have only one back bone . Back bone is made up of vertebrae .
They are mammals. Mammals have backbones.
Placentals are mammals. All mammals are vertebrates which means they do have backbones.
Yes, they do.
Yes- they are mammals, all mammals are vertabrates.
They are mammals, so of course they have backbones.
No! Fish, reptiles, birds, and amphibians all have backbones, but are not mammals.
There are NO mammals that do not have backbones.
Yes; all mammals have backbones because all mammals are vertebrates.
Yes because all mammals do and horses are mammals.
Yes, cows have backbones. They are mammals, therefore they have backbones.
yes.all mammals do
yes they are mammals