The flame cells are used for excretion in
Fluke
Nematode
Bacteria
Volvox
Correct answer is A
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.