The osmoregulatory/excretory system of a freshwater flatworm is based on the operation of
A) protonephridia.
B) metanephridia.
C) ananephredia.
D) Malpighian tubules.
E) nephrons.
Answer: A
The osmoregulatory/excretory system of a freshwater flatworm is based on the operation of
A) protonephridia.
B) metanephridia.
C) ananephredia.
D) Malpighian tubules.
E) nephrons.
Answer: A