Sea sponges are hermaphrodites which means they can have the characteristics of both male and female. These carnivorous sponges feed on tiny crustaceans. Some sea sponges have become carnivorous due to lack of the food they would eat otherwise. So a few sea sponges could possibly filter a sea within a day. The quantity of water that passes through in a day is gargantuan – about 20,000 times its own volume. They usually simply filter the water of the ocean or sea by breathing in and out of these pores and take in any bacteria, plankton that would serve as food, and oxygen through the neatly-divided canals. But what do they eat and how do they eat it? As your bathroom sponge has holes, so does a sea sponge. These incredibly-colored sea sponges place themselves under water in such a way that they have a solid base to hold and grow onto and an abundant supply of food.
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