Yes they do.
Yes, kangaroo rats do have a backbone.
Yes. Like all mammals, kangaroos are vertebrates, which means they have backbones.
Yes, marsupials have backbones. They belong to the class Mammalia, which includes all mammals that possess a vertebral column, or backbone. This skeletal structure supports their body and protects the spinal cord, just like in other mammals. Examples of marsupials include kangaroos, koalas, and opossums.
No there is more with backbones
No backbones
Pigs do have backbones.
it has 2 backbones
All snakes have backbones.
all fishes have backbones
no they don't have backbones
The backbones are part of the skeleton.
Kangaroos are born as kangaroos.