A) Hemichordata
B) Chordata
C) Echinodermata
D) Annelida
Correct Answer: A
Solution :
[a] Phylum hemichordata consists of a small group of worm-like marine animals with organ system level of organization. They are bilaterally symmetrical, triploblastic and coelomate animals. Excretion takes place through proboscis gland.You need to login to perform this action.
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