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Question
Ostia are meant to
Ostia are meant to
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Solution
The correct option is D Admit water current
Ostia are a series of tiny pores all over the body of a sponge that let water into the sponge. The continuous flow leads to the formation of water current. The extra water is expelled out from a large opening known as osculum.
Thus, the correct answer is option A.
Ostia are a series of tiny pores all over the body of a sponge that let water into the sponge. The continuous flow leads to the formation of water current. The extra water is expelled out from a large opening known as osculum.
Thus, the correct answer is option A.
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