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Author Question: The osmoregulatory/excretory system of an earthworm is based on the operation of (Read 622 times)

j_sun

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on: Sep 17, 2013
The osmoregulatory/excretory system of an earthworm is based on the operation of
A) protonephridia.
B) metanephridia.
C) Malpighian tubules.
D) nephrons.
E) ananephredia.


sammy

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Reply #1 on: Sep 21, 2013
I remember it was B


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j_sun

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Reply #2 on: Oct 15, 2013
Thanks dude! Marking this solved.


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