How much water can ostia filter?
1500 liters per day
Ostia are small pores found on the body surface of certain aquatic invertebrates such as sponges. They play a crucial role in filtering water and trapping small particles that sponges feed on.
The amount of water that ostia can filter depends on various factors such as the size of the sponge, water flow rate, and the presence of other organisms in the water. Generally, ostia are capable of filtering large volumes of water. For example, some species of sponges can filter up to 20,000 times their body volume every day.
In addition to filtering large volumes of water, ostia can also selectively filter particles based on their size and shape. Smaller particles are trapped near the ostia, while larger particles are captured by other parts of the sponge’s filter system.
Overall, the filtering capacity of ostia is an important adaptation that allows sponges to efficiently feed on small particles suspended in water and maintain a healthy water balance.
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