They have both a backbone and cartilage. Cartilage is found between the vertebrae. What your teacher probably intended to ask was if the squirrel has a backbone or a notochord. To that, you may answer yes, too. Embryonic squirrels have no bones. If you plan to answer "yes" you need to be prepared to defend your answer.
No. Nor do any Spiders have a backbone. Spiders' structural support comes from their hard external body panels. They do not have any bones.
yes they do
no squirrels have a cords made of cartilidge so it is bendable
Yes, they Marsupials so they must have a backbone. They are similar to squirrels.
Squirrels are mamals which implies that they do have backbones. Mamals are vertebrates, vertebra is the "fancy scientific " name for back bone.
If you mean a spine, then yes squirrels have a spine.
Squirrels,Rabitts,Raccoons,Dogs,Opossum's and dogs with their owners are all animals that frequent parks.
cartilidge
helix cartilidge lobe industrial
Yes, in her left ear.
A shark. It's bones are made of cartilidge.
sharks, skates, and rays have skeletons made of cartilidge
Being a mammal, a squirrel is a vertebrate. All mammals are vertebrates, because every mammal has a backbone. They are members of the subphylum Vertebrata, chordates with backbones or spinal columns.
The piercer won't numb your cartilage before piercing it.