sponges
Synonyms
Antonyms
Examples
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.
All freshwater and most shallow-water marine sponges have leuconid bodies.
All sponges are sessile aquatic animals.
A variety of unconventional tools, such as rags, sponges, and cotton swabs, may be used to apply or remove paint.
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.
All animals more advanced than sponges have nervous systems.