Question

cannel system is charateristic of

Answer 1

Water enters through ostia into spongocoel and goes out of body through the osculum. This type ofcanal system is a characteristic of syconoid sponges, e.g. Scypha and Grantia. ... Spongocoel is a narrow, without flagellated cells but is lined by pinacocytes and opens to exterior through the osculum.

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