Question
Biology Question on Kingdom Animalia
The excretory structures of flatworms/ Taenia are
A
flame cells
B
protonephridia
C
malpighian tubules
D
green glands.
Answer
flame cells
Explanation
Solution
Flame cells are scattered throughout parenchyma from which they remove metabolic wastes. A flame cell is of irregular shape, with granular cytoplasm and a nucleus. Bundle of cilia, or flame, arises from basal granules near nucleus. Cilia are enclosed into a funnel-shaped lumen formed by the terminal blind end of a capillary. Protonephridia are found in flatworms, malpighian tubules in insects and green glands in crustaceans.