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In most simple type of canal system of p...

In most simple type of canal system of porifera, water flows through which one of the following ways

A

Ostia `to` Spongocoel `to` Osculum `to` Exterior

B

Spongocoel `to` Ostia `to` Osculum `to` Exterior

C

Osculum `too` Spongocoel `to` Ostia `to` Exterior

D

Osculum `to` Ostia `to` Spongocoel `to` exterior

Text Solution

Verified by Experts

The correct Answer is:
A
The body of porifera is pierced by small pores called ostia through which water and other dissolved substances passes into interior cavity called spongocoel. It then goes out again through large opening at top called Osculum.
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