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.
Answer: C
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.
Answer: C
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