![]() What Are Sponges’ Self-Defense Mechanisms? Sponges mainly defend themselves using compounds, which are either poisonous or unpleasant to eat. As water is pushed through the body and the osculum, cells in the sponge walls filter food from the water (“little mouth”). To acquire food and oxygen, as well as to eliminate wastes, they depend on maintaining a continuous water flow through their bodies. Sponges lack a nervous system, digestive system, and circulatory system. Food is gathered by choanocytes, which then transport it to other cells through amoebocytes. The majority of sponges consume small organic particles and plankton that they filter from the water that passes through their bodies. Sponges are filter feeders, therefore their diet is simple. What is the mode of digestion in sponges?.What digests their food intracellularly?.Is cnidarian digestion intracellular or extracellular?.In a sponge, what is the purpose of the Osculum?.What are the functions of amoebocytes in sponges?.Porifera reproduce in a variety of ways.How do sponges eat, breathe, and expel?.Is it true that sponges are filter feeders?.What does intracellular digestion imply?.Is there a neurological system in sponges?. ![]()
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