A. Two B. Three C. Four D. Many
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A. Gizzard B. Buccal mass C. Pharynx D. Stomach
A. Digestion B. Respiration C. Osmoregulation D. Excretion of nitrogenous waste
A. Resporatory B. Circulatory C. Excretory D. Polyfunctional
A. Protonephridia B. Meganephridia C. Micronephridia D. None
A. No separate duct required B. For conservation of water C. For easy removal D. All of these
A. Anterior part B. Posterior part C. Attached to outer surface of intestine D. Integument
A. Pharyngeal B. Integumentary C. Septal D. Meganephridia
A. Prostomium B. Peristomium C. Clitellum D. Tail