State the affinities of Hemichordates with Echinoderms.

Question

13 Sep 2020

Answer :

Word Count : 207

Hemichordates and echinoderms share several morphological and developmental characteristics, suggesting a close evolutionary relationship. One key affinity lies in the structure of the larvae produced by both groups. The hemichordate larvae, known as tornaria, and the echinoderm larvae, called dipleurula, exhibit ____ ____ ___ _________ ________ __________ _________.
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