Metanephridia, which are open tubes with funnels,
A) occur in all polychaete worms.
B) are part of the vascular system of annelids.
C) are only repeated in very few segments in oligochaete worms.
D) occur in all oligochaetes and leeches.
E) occur in earthworms and contains the respiratory pigment.

Question

Quizplus · Accepted Answer

Metanephridia are excretory structures found in each segment of oligochaetes (like earthworms) and leeches, helping in osmoregulation and excretion.

Metanephridia, Which Are Open Tubes with Funnels