Question

In which group, the notochord is limited to only anterior part or proboscis

• A. Hemichordata
• B. Urochordata
• C. Cephalochordata
• D. Mammalia

Answer 1

The correct option is A Hemichordata

The body of acorn worms is worm-shaped and

divided into an anterior proboscis,an intermediate

collar, and a posterior trunk. The proboscis is a

muscular and ciliated organ used in locomotion and

in the collection and transport of food particles.

The notochord is limited to only anterior part or

moboscis in tlemichordata group.