At a first glance, I thought it would be difficult to guess what this was because it was just a bundle of blue thread-like structures. However, it is actually a sponge you use to clean your dishes!
As seen above, the blue structures are really foamed plastic polymers that make up the sponge because it is a material sponge. Some can also be made from wood fibers as well.
While these artificially made sponges have one or two components, sponges one may find underwater consist of spicules which are protein called spongin which act as the skeleton of the organism. They are also filter feeders which means they don't generally move.
While these artificially made sponges have one or two components, sponges one may find underwater consist of spicules which are protein called spongin which act as the skeleton of the organism. They are also filter feeders which means they don't generally move.
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