A) protonephridia
B) flame cells
C) solenocytes
D) All of the above
Correct Answer: D
Solution :
Platyhelminthes (.e.g., Planaria, liver fluke and tapeworm) possess the simplest tubular excretory system called protonephridia, flame cells or solenocytis. Excretory material is ammonia in aquatic flatworms.You need to login to perform this action.
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