How can we distinguish the ventral surface of the earthworm by their dorsal surface?
A. Presence of setae
B. Presence of hair
C. Presence of genital pores
D. Presence of oil glands
Answer:C
How can we distinguish the ventral surface of the earthworm by their dorsal surface?
A. Presence of setae B. Presence of hair C. Presence of genital pores D. Presence of oil glands
Explanation: The ventral surface of the body of the earthworm can be distinguished by the dorsal surface by the presence of genital openings or pores. The genital openings in the earthworm help in cross-fertilization and pores help in the removal of the wastes generated in the body.