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.
How do you prove that the sponge is alive?
If you smell funky or have white spots, remove them. If not, it looks fine to me so far. Don't take life too seriously, no one will come alive anyway. They break down very quickly and really stink when dying.
Is the sponge from the sea alive?
Natural sponges are some of the simplest living multicellular organisms. They have no brain, digestive system, circulatory system, nervous system, and once they take root, they do not move. .. Sponge can pass more than 20,000 times its volume through the system in one day.
Why are sponges considered animals?
Water is pumped through the cells of the small pores to the inner chamber, which is lined with choanocytes, which are lined with caterpillar cells. They ingest food particles and water is drained from the sponge surface through the oscram. Therefore, they can be considered like animals.
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