Which group of animals are considered protoch | vedclass

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(D) Protochordates are a group of marine animals that possess a notochord at some stage of their life cycle but lack a true vertebral column. They are

Vedclass · Accepted Answer

Amphioxus,Ascidia,Salpa

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(D) Protochordates are a group of marine animals that possess a notochord at some stage of their life cycle but lack a true vertebral column. They are divided into two subphyla: Urochordata (e.g.,Ascidia,Salpa,Doliolum) and Cephalochordata (e.g.,Amphioxus/Branchiostoma). Balanoglossus belongs to the phylum Hemichordata,which was previously considered a subphylum of Chordata but is now classified separately. However,in the context of many traditional biology questions,the group comprising Amphioxus,Ascidia,and Salpa is the most accurate representation of invertebrate chordates (protochordates) among the given options.

Which group of animals are considered protochordates (invertebrate chordates)?

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