A. Fluke
B. Nematode
C. Bacteria
D. Volvox
Correct Answer:
Option A – Fluke
Explanation
A flame cell is a specialized excretory cell found in the simplest freshwater invertebrates, including flatworms (fluke, planaria)
Flame cells function like a kidney, removing waste materials.
Excretion of ammonia waste through the body wall, and is not associated with any specific organs
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