alleryAscidia and Salpa have a notochord only in the larval tail. They belong to:
ACephalochordata
BVertebrata
CUrochordata
DHemichordata
Answer & Solution
Correct answer: C. Urochordata
Ascidia and Salpa are marine urochordates (tunicates). Their notochord occurs only in the larval tail, unlike the persistent head-to-tail notochord of cephalochordates.
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