Assertion: tuatara's eye | /r/HasProperty | sensitive
Facets:
value: to light
type: CAUSE
Source sentences:
text: The unique eye is sensitive to light and may help the tuatara judge the time of day or season.
text: The oddest feature of tuataras is their "third eye": a light-sensitive spot, located on the top of this reptile's head, which is thought to play a role in regulating circadian rhythms (that is, the tuatara's metabolic response to the day-night cycle).