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How are sea sponges alive?

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Yes, sponges are considered animals, not plants. However, they grow, reproduce and survive like plants. There is no central nervous system, digestive system, circulatory system, and no organs. Sponges are one of the simplest multicellular organisms in the world. 17окт. 2018 г.

Why are sponges alive?

Natural sponges are some of the simplest living multicellular organisms. They have no brain, digestive system, circulatory system, nervous system, and once rooted, they do not move.

Is the sponge alive or not?

They are sessile or quiescent species that inhabit permanent areas by forming coral reefs. Although sponges may look simple, their anatomy is very complex because these multicellular animals lack the nervous system. The sponge is a crushed, non-living jelly-like mass between cells.

How do you keep sponges alive?

They can't move much, so you have to make sure that food moves to them. An established tank with stable water flow and ample light should supply most of the sponge needs. Important supplements in small tanks, in the form of plankton infusions, are widely available from aquarium suppliers.

How are sea sponges alive?

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