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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 rarr Spongocoel rarr Osculum rarr Exterior

B

Spongocoel rarr Ostia rarr Osculum rarr Exterior

C

Osculum rarr Spongocoel rarr Ostia rarr Exterior

D

Osculum rarr Ostia rarr Spongocoel rarr Exterior

Text Solution

Verified by Experts

The correct Answer is:
A
(a) The course taken by water into the canal system is water form outside `underset("dermal ostia")overset("through")(rarr)` incurrent canals `underset("prosopyles")overset("through")(rarr)` radial canals `underset("apopyles") overset("through")(rarr)` spongocoel `underset("osculum")overset("through")(rarr)` outside.
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