Natural sponges are simple aquatic animals belonging to the phylum Porifera. They are primarily found in marine environments, although some species inhabit freshwater. Sponges have a porous body structure that allows water to flow through them, enabling them to filter food particles and oxygen from the water. They come in various shapes, sizes, and colors, and can be found attached to rocks or other surfaces on the ocean floor. These organisms play a crucial role in their ecosystems by providing habitat for other marine life and helping to maintain water quality. Natural sponges are also harvested for use in personal care products, cleaning, and art. Unlike synthetic sponges, they are biodegradable and environmentally friendly.