Yes. Possums are mammals, and all mammals have spines.
possums
Possums are not blind.
Possums are eaten by snakes.
There are no possums in possum pie, as true possums are found in Australia and nearby islands, and they are protected in Australia. Possums are not the same as opossums.
No, raccoons do not have spines. Porcupines have spines.
No. Sugar is not poisonous to possums.
Possums are mammals, and are covered with hair.
Yes people have spines.
Elephants do have spines.
No. Ring-tail possums are not even close to being endangered.
There is no particular name for a female possum.
Possums are not eaten in modern times. In the past, the early settlers ate possums if nothing else was available. Certainly the Australian Aborigines ate possums.