In Hydra,egestion of undigested food and excr | vedclass

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Question

(B) $Hydra$ belongs to the phylum $Cnidaria$ (or $Coelenterata$).It possesses an incomplete digestive system with a single opening,the mouth (hypostom

Vedclass · Accepted Answer

Mouth and body wall

Vedclass · Answer

(B) $Hydra$ belongs to the phylum $Cnidaria$ (or $Coelenterata$).It possesses an incomplete digestive system with a single opening,the mouth (hypostome),which serves for both ingestion and egestion.Undigested food residues are egested through the mouth.Nitrogenous wastes,such as ammonia,are excreted primarily through the general body surface (body wall) via simple diffusion.Therefore,the correct combination is mouth and body wall.

In $Hydra$,egestion of undigested food and excretion of nitrogenous wastes occur through

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