 
 <translate> Chordates have a complete digestive system and a closed circulatory system. Vertebrates have a closed circulatory system. Chordates are vertebrates.
The final answer: (F). <ibo> Chordates nwere usoro mgbaze zuru ezu na usoro mgbasa ọbara emechiri emechi. Ọkpụkpụ azụ nwere usoro mgbasa ọbara nke mechiri emechi. Chordates bụ vertebrates. Azịza ikpeazụ ya bụ: (F). 