Yes they do.
Yes, kangaroo rats do have a backbone.
Yes. Like all mammals, kangaroos are vertebrates, which means they have backbones.
No there is more with backbones
Pigs do have backbones.
No backbones
it has 2 backbones
All snakes have backbones.
Kangaroos are born as kangaroos.
all fishes have backbones
The backbones are part of the skeleton.
no they don't have backbones
no myriapods don't have backbones