Which one of the following does not have...

Which one of the following does not have an excretory system ?

A

Myxine

B

Carcharodon

C

Balanoglossus

D

Asterias

Verified by Experts

The correct Answer is:

D

Echinoderms have a simple excretory system with no kidneys and use diffusion to rid their bodies of nitrogenous waste which is mainly ammonia gas.

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