Balanoglossus is a saprozoic hemichordate which lives in shallow coastal waters inside U-shaped burrows. Given below are certain features of this tongue worm.
,I. It has a cylindrical body which is ciliated for most of the part.
II. Body is divisible into a mouth, collar and trunk.
III. The trunk is differentiated into branchiogenitial hepatic and abdominal regions,
IV. The possess calls called vanadocytes.
V. They obtain food from swallowed mud.

Options

A. I, II and IV
B. II, IV and V
C. I, III and IV
D. I, III and V

Answer

D