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the light produced by by living organisms as a result of biochemical reactions, often used for communication, attracting prey, or camouflage
- The glow-worm's bioluminescence attracts mates by emitting a soft green light from its tail, visible in the darkness of the forest.
- Deep-sea fish use bioluminescence as a form of camouflage, emitting light to match the faint glow of sunlight filtering down from above, masking their silhouettes from predators below.
- Certain species of squid deploy bioluminescence as a defensive mechanism, releasing a burst of light to confuse predators or distract them while escaping.
- Certain fungi in tropical forests emit eerie greenish-blue bioluminescence, lighting up the forest floor at night.
- Certain species of jellyfish, like the Aequorea victoria, exhibit bioluminescence, emitting a greenish-blue glow as a defense mechanism against predators.