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In case of poriferans the spongocoel is lined with flagellated cells called :

Option: 1

ostia


Option: 2

oscula


Option: 3

choanocytes


Option: 4

mesenchymal cells


Answers (1)

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As we learnt in 

Choanoderm -

Gastral epithelium layer consists of flagellated cell or choanocytes.

- wherein

These are characteristics cell of phylum porifera responsible for ingestion of food and differentiation of sex cell.

 

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

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