What Anatomical Part of Polychaetes Can Be Used for Both

Question

What anatomical part of polychaetes can be used for both locomotion and feeding?  
A) Gills
B) Bivalves
C) Tentacles
D) Trochophore
E) Parapodia

Accepted Answer

Parapodia are appendages that are present on each segment of polychaetes, and can be used for both locomotion and feeding. These structures are paddle-like in shape and are covered in bristles called chaetae, which help the polychaete move and obtain food from the sediment.