Assertion: mollusk's head | /r/CapableOf | extract snail
Facets:
value: from their shell aperture
type: MANNER
Source sentences:
text: Another predator and prey relationship of note is an apparent "arms race" between land snails and Cychrine beetles (Carabidae), which feed mostly on land snails (Symondson, 2004) - while the beetles have evolved narrower heads to extract snails from their shell aperture, the snails have evolved more obstructed apertures (which would also help in defense against the lancetooth).