alleryWhich nerve cord is characteristic of chordates?
AVentral, solid and double
BDorsal, hollow and single
CVentral, hollow and single
DDorsal, solid and double
Answer & Solution
Correct answer: B. Dorsal, hollow and single
Chordates characteristically have a dorsal, hollow, single nerve cord. Other fundamental features are a notochord, paired pharyngeal gill slits and a post-anal tail at some stage of life; they are bilateral, triploblastic coelomates.
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