 
 <translate> Vertebrate chordates have a backbone. Invertebrates have no vertebrae or backbone. Vertebrate chordates have a vertebrae. So the answer is (C). <ibo> Ndị na-agba okirikiri nwere ọkpụkpụ azụ. Anụ ndị na-enweghị azụ nwere ọkpụkpụ azụ. Ndị na-agba okirikiri nwere vertebrae. Ya mere azịza ya bụ (C). 