1.

In case of poriferans, the spongocoel is lined with flagellated cells called:(1) oscula(2) choanocytes(3) mesenchymal cells(4) ostia

Answer»

The correct answer is (2)

In poriferans (sponges) choanocytes (collar cells) form lining of spongocoel . Flagella present in collar cells provide circulation to water in water canal system.



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