Question

tes
37. Collar cells in sponges line
1) canals
3) both (1) & (3)
2) spongocoel
4) none​

Answer 1

ANSWER

Collar cells occur in sponges and are located at the anterior end of each choanocyte. Choanocytes or collar cells line the spongocoel and the canals in these animals. These cells help in filtering nutrients from the water entering their body by the continuous movement of water. so,option no- 2.(spongocoel) is correct...

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