Which statement is true for chordate nerve cord
a. it is dorsal and hollow.
b. it is ventral and hollow.
c. it is dorsal and solid.

The answer is a. it is dorsal and hollow.

chordates are animals with  dorsal and hollow nerve cord. it is hollow because, during the development nerve cord derives from ectoderm that rolls into a hollow tube. it is dorsal which means it is on the back side of the organism. it is located dorsally to the notochord.

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