Animal Kingdom Question 1025
Question: Sponges are porifers because their bodies have
[RPMT 2002]
Options:
A) Spicules in the skeleton
B) Several pores exist in the cell membrane.
C) Canal system
D) All of the above
Show Answer
Answer:
Correct Answer: B
Solution:
Sponges belong to phylum Porifera.
The term ‘Porifera’ is a Latin word which means ‘pores’.
Sponges have a porous body.
The body has numerous inhalant pores called Ostia and an exhalant pore called Osculum. Water enters through Ostia and leaves through Osculum.
BETA
