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There are many different kinds of sponges. Every time you see a sponge with a different shape and color, that is a different species. There are thousands of different species of sponges, tube sponges, encrusting sponges, demosponges, etc. But yes, Porifera only includes sponges. So sponges are the only animals in the Porifera.
sponges are alike to worms
i dont know xD LOL
Two methods are used: solvent extraction or water vapor extraction.
Yes just a different shape
Different sponges form different shapes, including tubes, fans, cups, cones, blobs, barrels, and crusts.
one is segmented
9000
sponges are really only one color which is yellow A)you can die sponges,so really they can be any color but they are mostly yellow
There are processes for seperating something from a compound, some mixture or some environmental location.
Most types of sponges have asymmetrical bodies. There are around 10 thousand different types of sponges found in bodies of water all over the world.
I suppose sponges can only compare to pieces of cloth of different materials. Differing in strength and absorbency.