Question
Biology Question on Kingdom Animalia
Ostia are present in
A
Poriferans
B
Annelids
C
Coelenterata
D
Arthropoda
Answer
Poriferans
Explanation
Solution
Ostia are the pores present in the body wall of poriferans (sponges). Through ostia, the water moves in and out of the body of sponges.