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.
What makes a sponge an animal?
Sponges are multicellular, heterotrophic, lack cell walls, and are similar to other animals in that they produce sperm cells. Unlike other animals, they lack real tissues and organs. Some of them are radially symmetric, but most are asymmetric.
Is the sponge an animal or a plant?
One of the sponges and the primitive multicellular aquatic animals that make up the sponge phylum. Approximately 5,000 species are listed and inhabit all oceans that attach to surfaces above 8,500 meters (29,000 feet) deep from the intertidal zone.
Is sponge counted as an animal?
Sponges are members of the phylum Sponge. It is a simple animal with many cells, but no mouth, muscles, heart, or brain. It's ill-mannered: it can't move from place to place like most animals can. A sponge, like most plants, is an animal that grows in one place.
What are the characteristics of placing a sponge in Kingdom Animaria?
What is the unique feature of sponge among other animals? The sponge has no mouth or intestines, is stemless like an adult, and is not organized beyond the cellular level. This animal is composed mainly of a canal system in which flagellar cells called choanocytes pump water.
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