The Organ(s)of Respiratory Gas Exchange in Oligochaetes is (Are)

Question

The organ(s)of respiratory gas exchange in oligochaetes is (are)
A)parapodia.
B)gills.
C)the skin.
D)book lungs.
E)pairs of hollow bristles.

Accepted Answer

Oligochaetes are a group of annelids that include earthworms, which breathe through their skin. The skin absorbs oxygen and releases carbon dioxide during respiration. Therefore, the organ of respiratory gas exchange in oligochaetes is the skin.