Question : The three defining characteristics of chordates are :

1.	Question : The three defining characteristics of chordates are :
Answer» segmentation/dorsal HOLLOW nerve cord/gill arches or pharyngeal pouches dorsal hollow nerve cord/notochord/bilateral SYMMETRY well-developed coelom/gill arches or pharyngeal pouches/notochord gill arches or pharyngeal pouches/dorsal hollow nerve cord/notochord Solution :gill arches or pharyngeal pouches/dorsal hollow nerve cord/notochord

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