This page discusses bioluminescence, the natural ability of certain organisms to produce light, including fireflies and fungi. Key components involve luciferin, luciferase, ATP, and oxygen. Fireflies ...This page discusses bioluminescence, the natural ability of certain organisms to produce light, including fireflies and fungi. Key components involve luciferin, luciferase, ATP, and oxygen. Fireflies use specific light patterns for mating and can manipulate their light by releasing nitric oxide. Marine species utilize bioluminescence for attracting prey and evading predators.