Assertion: bioluminescence | /r/ObjectUse | used as a form of communication
Facets:
value: predominantly
type: DEGREE
value: often
type: TEMPORAL
Source sentences:
text: Bioluminescence is often used as a form of communication and is very common in the ocean, and given the size of the sea, may even be the most commonly used form of communication.
text: Bioluminescence is used predominantly as a form of communication between animals, and can be used for defense, offense, and intraspecific communication.