Question

Flame cells are primitive excretory organs found in which organisms?

a) Insects

b) Fish

c) Flatworms

d) Amphibians

Answer 1

Flame cells are primitive excretory organs found in flatworms. They have cilia that propel waste matter out of the body through excretory pores.

Step-by-step explanation:

Flame cells are primitive excretory organs found in flatworms. Flatworms, including parasitic tapeworms and free-living planaria, have an excretory system consisting of tubules connected to a duct system. The cells in these tubules, known as flame cells or protonephridia, have cilia that propel waste matter down the tubules and out of the body through excretory pores.