There is a small hole in the outer wall of the sponge, through which water is drawn. The cells on the wall of the sponge filter food from the water as it passes through the body and drains through other large openings. March. 2019г.
Can sponges purify water?
Every day, sponges can filter 2 to 20 cubic meters of water per kilogram of body weight, and researchers are studying the possibility of using them on an industrial scale in a process called bioremediation. .. Pollutants.
How does sponge filter water?
When water filters the outside of the sponge's porosity, the sponge moves, receives food and oxygen, and dispels waste products. Inside the sponge, small hair-like structures called flagella generate an electric current that filters bacteria from the cells of the sponge and traps food in it.
Does the sponge filter the eater?
Sponges are filter feeders and hosts of symbiotic algae (a relatively rare relationship in freshwater taxa). They can filter a significant number of bacteria and zooplankton from water, making them a serious competitor to some protozoa, zooplankton, and some other multicellular class groups.
How much water does the sponge filter per day?
A sponge with a height of 4 inches (10 centimeters) and a diameter of 0.4 inches (1 centimeter) delivers about 23 quarts (22.5 liters) of water to the body in one day. To get enough food to grow 3 ounces (100 grams), you need to filter about 275 gallons (1,000 kilograms) of seawater with a sponge.
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