It is a source of light - through bio-luminescence.
Yes - the luminescence is produced by a chemical reaction within the insects body.
You will because a boy firefly light ups while the girl wont light up
because at night they start to glow up and it is pretty bright. also fire flies are nature and the light of them is natural. :]
Firefly gets it's light by what is called as bioluminescence. In this phenomena, you get the light generated by animal, plant or some types of microorganisms. Here you get the light generated without production of the heat. In case of firefly you get the light intermittently. So that the the partner should be spotted, when light is on and the risk of being caught by the predator is reduced, when the light is off.
Firefly or glowfly
Firefly
A firefly!
To produce light
The male firefly uses it to attract female fireflies.
Direct. It is a chemical reaction.
The firefly has had to make a number of adaptations in order to survive. The firefly has had to create a light to see at night for example.