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2010-05-11 00:16:12
2010-05-11 00:16:12

the water goes through a sponge because a sponge has a lot of holes which can be taking in.

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The movement of water provides a simple mechanism for feeding respiration circulation and excretion.


because sponge does not have a nervous system, circulatory system, respiratory system, water provides food of them


Sponges are animals and are heterotrophs- they need to take in nutrients and food for energy. The nutrients are carried by the water into the sponge.


When a sponge is submerged in water, the water enters the sponge through the tiny holes in the sponge. The sponge fills up with water, as a balloon fills with air, only not as visibly. When you squeeze the sponge, the water exits that sponge through the tiny holes...exactly the opposite of how it entered! Tada! :)


Water is held in the sponge until it is released.


tiny "whips" on the cells inside a sponge draw water in through the pores of thesponge. Food is then removed from the water before it leaves through the opening at the top of the sponge .


A sponge takes in water through its pores and in more advanced forms, with canals that move the water to all throughout the sponge. Then the oxygen from the water is used.


The sponge uses the choanocytes to move a steady current through its body.


The surface of the orange puffball sponge is covered with small pores that filter small particles of food from the water that passes through them. Each sponge has flagella that help move the water through the sponge.


A sponge is a filter feeder. It has a mouth on its underside and it sucks in water through there and spits the water out through its top. It has collar cells (its male sex cells and digestive tract) that are attached inside of it that catch the algae that float through and digest them for the sponge. Then the sponge ejects its waste out of its top hole with the rest of the water going through.


The function of collar cells in a sponge is to attract nutrients from the water that is pumped through the sponge.


Osmosis is the movement of water across the cell membrane or the movement of water through diffusion. :)


Water is brought through cilia-lined pores into the hollow cavity of the sponge. As water passes through the pores, the cilia trap oxygen to breathe



A sponge has carbon dioxide and other wastes removed as the water moves in and out through the pores.


Facts From : Staight a student ok here are the answers....System TypeSponges SystemMuscular-SkeletalA sponge is a hollow tube with many pores or openings. The skeleton is made of lime or silicon.DigestionA sponge takes in food via the water that flows through the pores.NervousA sponge has a very low level reaction to the world around it and does not have a brain per se.CirculationA sponge has water flow in through the pores. The water contains the food and oxygen the sponge needs.RespirationA sponge takes in water through its pores and in more advanced forms, with canals that move the water to all throughout the sponge. Then the oxygen from the water is used.ReproductionA sponge reproduces by budding and also sexually.ExcretionA sponge has carbon dioxide and other wastes removed as the water moves in and out through the pores.SymmetryA sponge has either radial symmetry or is asymmetrical.ColorationA sponge is white, red, orange, green, yellow, brown, purple, black (colors)


the structure of the sponge itself provide efficient absorption of water. So, sponge can be used as soft brush for cleaning dishes, and plastic Tupperware...


The movement of water through a semipermeable membrane is called osmosis.


Oh that's quite simple. Find a sponge and get a bowl. Put the sponge in the water and explain how the pores in the sponge suck in the water as you put pressure on it. As you squeeze it explain that the pores release the water through them.


A sponge swims by squirting water out through a tube


Through tiny pores in its sides called ostia.


A sea sponge absorbs water through numerous minute, dermal pores on its body surface known as ostia.


Sponges get oxygen by taking water through it's pores. The water moves over cells inside the sponge and oxygen in the water moves into the sponge's cells.


Sponges get oxygen by taking water through it's pores. The water moves over cells inside the sponge and oxygen in the water moves into the sponge's cells.


choanocytes, they line their cavities and create currents of water



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