Which one is not typical to all porifers - Vidyadip

MCQ

Which one is not typical to all porifers

A
Perforated body
B
Choanocytes
C
System of pores and canal
✓
Presence of spongin fibres

✓

Answer

Correct option: D.

Presence of spongin fibres

d
(d)Porifers possess skeleton of calcareous or siliceous spicules or of spongin fibres or of both or no skeleton.

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