Assertion: biological signal | /r/CapableOf | reduce uncertainty
Facets:
value: to zero
type: OTHER
Source sentences:
text: Honest biological signals do not need to be perfectly informative, reducing uncertainty to zero; all they need to be useful is to be correct "on average", so that certain behavioural responses to the signal are advantageous, statistically, compared to the behaviour that would occur in absence of the signal.