Question

the formation of canal system in sponges is due to
(a)folding of inner walls
(b)reproduction
(c)porous walls
(d)gastrovascular cavity

Answer 1

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OPTION = A) folding of inner walls✔️✔️

EXPLANATION : thick body wall is folded forming regularly arranged in pushings and out pushing leading to the formation of canals.

Answer 2

Answer:

The correct answer is folding of inner walls.