This question is deleted
added by Ts Dec. 29, 2017, 4:18 p.m.

Which organisms in nature can emit light?

firefly (insect)
honey fungus (mushroom)
none of these
firefly and honey fungus
Bioluminescence occurs widely in marine vertebrates and invertebrates, as well as in some fungi, microorganisms including some bioluminescent bacteria and terrestrial invertebrates such as fireflies. In some animals, the light is bacteriogenic, produced by symbiotic organisms such as Vibrio bacteria; in others, it is autogenic, produced by the animals themselves.
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Answers by country

firefly (insect)
honey fungus (mushroom)
none of these
firefly and honey fungus
answers
flagPoland
47%
3%
3%
46%
4627
flagIndia
41%
8%
0%
41%
12
flagthe United States
57%
5%
0%
36%
19