It is to help you stand up straight
No, raccoons do not have spines. Porcupines have spines.
Yes people have spines.
Elephants do have spines.
The pointy things on a cactus are called spines.
they have spines. spines are vertebrates they are not invertebrates.
Yes. All mammals have spines.
All reptiles have spines.
they have the spines to protect them from your face
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.
No. Invertebrates are animals with no spines (backbones) and whales do have spines. Whales are mammals, and all mammals have spines.
Yes. All mammals have spines.