yes they have backbones hope it helps..
I think they would be, except for the fact that the spines on a porcupine make it too painful for anything (including big cats) to mess with it.
No, raccoons do not have spines. Porcupines have spines.
Elephants do have spines.
Yes people have spines.
The pointy things on a cactus are called spines.
they have spines. spines are vertebrates they are not invertebrates.
All reptiles have spines.
Yes. All mammals have spines.
they have the spines to protect them from your face
Spotted leopards do, but other leopards don't - such as black leopards.
No, not all cactuses have spines. Some cactus plants have many more than others. Some have longer or shorter, finer or thicker spines. Some have white spines, some colored. And some don't have any spines at all.
That depends on which kind of spines you mean. Giraffes are vertebrates. That means that they have spines, as in a backbone. They do not have spines as in sharp pointed protrusions like a porcupine has.