Fireflies produce a chemical reaction inside their bodies which lets them light up. This kind of light production is called bioluminescence. There is a thing like a box light on the back of a firefly's body. It contains two types of chemicals: Luciferase and Luciferin.
Muhammad Shahin Alam
Hey, I am Muhammad Shahin Alam, COO, IT specialist, SEO expert, Technical analyst and business advisor. Currently,, a pure chemistry student.