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What is bioluminescence?

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Quick answer

Bioluminescence is the production of light by living organisms through a chemical reaction inside their bodies. Fireflies, deep-sea fish, and some fungi glow this way — using it to attract mates, lure prey, or scare off predators. It's light made by living things via chemical reactions.

Key things to understand

  1. It's light made by living things via chemical reactions.
  2. It produces 'cold light' with little heat.
  3. Fireflies, deep-sea creatures, and some fungi use it.
  4. Uses include attracting mates, luring prey, and defense.

People also ask

What is bioluminescence?
The ability of living organisms to produce light through a chemical reaction in their bodies.
What animals are bioluminescent?
Fireflies, many deep-sea fish and jellyfish, some plankton, and certain fungi.
Why do organisms glow?
To attract mates, lure or find prey, communicate, or defend against predators.