Assertion: copperhead's pit | /r/CapableOf | detect heat
Facets:
Source sentences:
text: The copperhead snake’s head possesses a pit in its face that detects heat.
text: As pit-vipers they have facial pits that sense heat and are used to detect prey and predators.
text: The loreal pit, located between their nostril and eye, detects heat emitted by prey or potential predators.