Question

Name the opening through which water leaves the body cavity of sponges.

Answer 1

Answer:

In asconoid sponges the two major cell layers surround a fluid-filled cavity called the spongocoel, the large central cavity of sponges . Water is pumped directly through pores, called ostia, into the spongocoel and then out of the sponge through an opening called the osculum (plural oscula

Answer 2

Answer:

the structure through which water enters in sponges is called ostia. And through which it exits a single pore is called osculum.

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