The firefly is an insect which is particularly known for its characteristic luminescence. This animal has special abdominal organs, which cause a chemical reaction with the organic synthesis of an enzyme called luciferasi.

The light produced is useful because from these insects it can be exploited as a mean of communication between individuals of the same species, probably as a sexual recall as well, that could draw the prey too. It is curious to note that the adult insect issues, generally, intermittent light, while the larvae shine light sets.

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