Why di fire flies glow at nish?

1.	Why di fire flies glow at nish?
Answer» Fireflies\xa0produce a chemical reaction inside their bodies that allows them to light up. This type of light production is called bioluminescence. ... When oxygen combines with calcium, adenosine triphosphate (ATP) and the chemical luciferin in the presence of luciferase, a bioluminescent enzyme, light is produced.

Discussion