Assertion: gastropod's organ | /r/CapableOf | call radula
Facets:
value: to scrape microscopic algae
type: PURPOSE
Source sentences:
text: For example, most gastropods move a rasping row of teeth on a tongue like organ called a radula back and forth to scrape microscopic algae off rocks or the surface of plants.
text: Additionally, a tongue-like organ called a radula, which bears chitinous tooth-like ornamentation, is present in many species, and serves to shred or scrape food.