Vertebrate chordates have a backbone, and invertebrates have no vertebrae or backbone. Given these facts, what kind of animal is classified as having a vertebrae among the following options:
- it keeps an organism warm
 - invertebrate
 - vertebrate chordate
 - gastropod shells
 - the body's largest organ
 - remains of prehistoric life
 - hard boned animals
 - roundworm


 

   vertebrate chordate      