 
<translate> Chordates nwere usoro mgbaze zuru ezu na usoro mgbasa ọbara emechiri emechi. Ndị nile na-eri anụ bụ ndị nwere akwara. Ọkpụkpụ azụ nwere usoro nri zuru ezu na usoro mgbasa ọbara mechiri emechi. Ya mere azịza ya bụ (C). <eng> Chordates have a complete digestive system and a closed circulatory system. All chordates are vertebrates. Vertebrates have a complete digestive system and a closed circulatory system. So the answer is (C). 