Assertion: sea urchin's spine | /r/ObjectUse | used for locomotion
Facets:
value: primarily
type: DEGREE
value: against predators
type: TRANSITIVE-OBJECT
Source sentences:
text: Spines can also be used for locomotion.
text: The sea urchin’s spines can be used in locomotion, defense, and capture of prey.
text: Spines are primarily used for locomotion and defense against predators, although some species cover them with shell fragments, algae, or encrusting organisms to camouflage themselves from visual predators or, alternatively, to provide shade from direct sunlight.
text: The spines of Strongylocentrotus droebachiensis are used for defense and locomotion and are not considered poisonous.
text: These organisms posses spines that are used for both protection and locomotion.
text: These spines are used primarily for camouflage, locomotion, and defensive purposes.
text: Spines that are articulate with tuberceles (sockets) may be used in locomotion, defense, protection against sediment abrasion, excavating, feeding, and burrowing.