Bioluminescence

Bioluminescence is the production and emission of light by living organisms, a phenomenon most commonly observed in various species of marine organisms, fungi, and some terrestrial insects. This natural light is a result of biochemical reactions within these organisms, often involving a light-emitting molecule called luciferin and an enzyme known as luciferase. Bioluminescence serves multiple ecological functions, including predation, camouflage, and communication.