Assertion: narwhal's tooth | /r/HasProperty | sensitive
Facets:
value: to chemicals
type: CAUSE
value: highly
type: DEGREE
value: without a hard enamel
type: OTHER
Source sentences:
text: Without a hard enamel to protect it, the tooth is highly sensitive and gives narwhals "an evolutionary advantage" over other echolocating species, scientists reported in a 2016 study published in the journal PLOS One.
text: The tooth is sensitive to temperatures and chemicals in the water and scientists think it enables males to find food as well as females ready to mate.