Which of the following does not have an excretory system ?
Myxine
Balanoglossus
Asterias
Catla
As we have learned
Excretory organ in echinodermata -
An excretory system is absent.
- wherein
Nitrogenous wastes are diffused via gills or dermal branchiae.
Asterias belongs to phylum echinodermate in which an extcretory system is absent