Water enter through minute pores ostia in the body wall into sponge
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Answer:
water canal system
Explanation:
in sponges since they have cell level of body organization, their water movement in body is done through the water canal system. The minute pores on their body, known as Ostia, the spongocoel and the osculum are an integral part of this system.
Movement of water is:
Ostia--Spongocoel--Osculum
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