Question

write the characteristics of phylum hemichordata and sketch diagram of balanoglossus​

Answer 1

Answer:

The main characteristics of Hemichordata are the presence of a stomochord. They are bilaterally symmetrical, triploblastic and have a true coelom. They have gills for respiration and proboscis glands for excretion Balanoglossus is a deuterostome, and resembles the Ascidians or sea squirts, in that it possesses branchial openings, or "gill slits". It has notochord in the upper part of the body and has no nerve chord. It does have a stomochord, however, which is gut chord within the collar.

Explanation:

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