Assertion: firefly's bioluminescence | /r/HasProperty | rare
Facets:
value: pretty
type: DEGREE
Source sentences:
text: So in general bioluminescence on land and in freshwater is rare compared to its occurrence in the ocean.
text: Although bioluminescence may be considered rare as measured by the total number of species, it is extremely diverse in its occurrence.
text: But did you know that terrestrial bioluminescence is actually pretty rare and it occurs most frequently in marine wildlife?