Assertion: sponge | /r/CapableOf | produce toxin
Facets:
Source sentences:
text: They also produce toxins that prevent other sessile organisms such as bryozoans or sea squirts from growing on or near them, making sponges very effective competitors for living space.
text: Sponges can produce toxins and other compounds that are used to ward off predators, competition with other sessile animals, and to melidungi themselves from infection.