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

The organ of respiratory gas exchange in oligochaetes is the skin, which is thin and moist, allowing for gas exchange with the environment. Oligochaetes lack specialized respiratory structures such as gills or book lungs, and parapodia and hollow bristles are not involved in gas exchange.