Animal Kingdom Question 951
Question: Which one is not typical to all porifers
Options:
A) Perforated body
B) Choanocytes
C) System of pores and canal
D) Presence of spongin fibres
Show Answer
Answer:
Correct Answer: D
Solution:
Porifers possess skeleton of calcareous or siliceous spicules or of spongin fibres or of both or no skeleton.