Answer
Prostomium: Present in most annelids and some molluscs. Part of the head located in the front of the mouth.
Peristomium: One of two parts forming the annelid head. Bears the mouth.
Radioles: Featherlike structure extending from the head of some sedentary polychaete. Used to feed on suspended particles.
Parapodium: One of the paired lateral processes on each side of most segments in polychaete annelids. Modified in different ways for movement, respiration, or feeding.
Setae: Needle-like structure of the integument of annelids and anthropoids.
Work Step by Step
Prostomium: Present in most annelids and some molluscs. Part of the head located in the front of the mouth.
Peristomium: One of two parts forming the annelid head. Bears the mouth.
Radioles: Featherlike structure extending from the head of some sedentary polychaete. Used to feed on suspended particles.
Parapodium: One of the paired lateral processes on each side of most segments in polychaete annelids. Modified in different ways for movement, respiration, or feeding.
Setae: Needle-like structure of the integument of annelids and anthropoids.