In Hydra, egestion of undigested food and excretion of nitrogenous wastes occur through [CBSE PMT 2001]
A) Mouth and tentacles
B) Mouth and body wall
C) Mouth and mouth
D) Body wall and body wall
Answers
Answered by
1
no explanation just logical ohk B
Answered by
1
the answer is (B) bcoz there is not any well developed system for excretion occurs in hydra
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