Which larva is found in Hemichordata?

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Question

(A) The phylum $Hemichordata$ includes organisms like $Balanoglossus$ (acorn worms). In their life cycle,they undergo indirect development,which invol

Vedclass · Accepted Answer

Tornaria

Vedclass · Answer

(A) The phylum $Hemichordata$ includes organisms like $Balanoglossus$ (acorn worms). In their life cycle,they undergo indirect development,which involves a free-swimming larval stage known as the $Tornaria$ larva. This larva shares structural similarities with the bipinnaria larva of echinoderms,suggesting an evolutionary link between the two groups. Therefore,the correct option is $A$.

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