Question

Stomochord is a rudimentary structure present in the collar region. It is found in

Answer 1

Answer:

Hemichordates have a rudimentary structure in the collar region called stomochord, a structure similar to notochord. This phylum consists of a small group of worm-like marine animals with organ-system level of organisation. They are bilaterally symmetrical, triploblastic and coelomate animals.

Explanation:

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