All sponges have ostia, channels leading to the interior through the mesohyl, and in most sponges these are controlled by tube-like porocytes that form closable inlet valves. Source: Internet
All freshwater and most shallow-water marine sponges have leuconid bodies. Source: Internet
All sponges are sessile aquatic animals. Source: Internet
A variety of unconventional tools, such as rags, sponges, and cotton swabs, may be used to apply or remove paint. Source: Internet
Both bonobos and chimpanzees have also been observed making "sponges" out of leaves and moss that suck up water and are used as grooming tools. Source: Internet
All animals more advanced than sponges have nervous systems. Source: Internet