 <translate> Chordates suna da cikakkiyar tsarin narkewa da kuma tsarin zagayawar jini. Dukkanin chordates sune dabbobi masu kashin baya. Kwararrun suna da cikakkiyar tsarin narkewa da kuma tsarin kewayawa. Amsar ita ce (C). <ibo> 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). 