The excretory opening of Porifera is ______________
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Sponges
do not have distinct circulatory, respiratory, digestive, and excretory systems – instead the water flow system supports all these functions. They filter food particles out of the water flowing through them.
do not have distinct circulatory, respiratory, digestive, and excretory systems – instead the water flow system supports all these functions. They filter food particles out of the water flowing through them.
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The excretory opening of Porifera is osculum.
Explanation:
- The osculum is present in the Porifera’s excretory opening, and these help in absorbing ammonia, carbon dioxide, and water through the process of diffusion.
- When mineral particles get stuck in this process as they are too big to pass on through the opening, they are left behind in the water.
- The excretory system of the Porifera is dependent on a water flow system.
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