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#Question id: 39107


Which of the following characteristics is unique to Phylum Porifera?

#Zoology
  1.  Presence of a gastrovascular cavity
  2.  Presence of choanocytes lining the spongocoel
  3.  Diploblastic nature with mesoglea 
  4. Bilateral symmetry in adult stages

Answer:- Option(s): 2


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