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ZOO 101 ZOO 101 Past Questions Objective Question

Question

What is the primary function of the nephridiopore in earthworms?
Options
A To filter blood
B To excrete urine
Correct Answer
C To reabsorb water
D To secrete mucus
Correct Answer

Option B is the correct answer.

Detailed Explanation

Urine in earthworms passes through a bladder and out through the nephridiopore, the external opening of the nephridium.

Hint

What is the external opening of an earthworm nephridium called?

Question Info