Facts From : Staight a student ok here are the answers....
System Type
Sponges System
Muscular-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)
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porifera are also called sponges some of the sponges are euplectelia spongilla and sycon
Segmented worms live in sea sponges.
Glass sponges
Barrel sponges are large marine sponges that can grow to several feet in height and width. They are filter feeders, meaning they filter water to obtain nutrients. Barrel sponges are found in tropical and subtropical oceans worldwide.
there is over 5000 speciesThey absorb water and you can release it by squeezing it
Most sponges are marine, but there are some freshwater varieties
sponges are use in washing plates,glass of water.some sponges are in/on salted water on the ocean floor.
The Porifera are the sea sponges. Some simple examples are the kitchen or bath sponges or other sponges that one can see diving -- from barrel to branch sponges.
body symmetry
I Don't know either Sorry...... -.-
Some sponges protect themselves and they don't even know it. Those sponges protect themselves by a hard outer layer of skin.