Question

Why do fireflies glow at night?

Answer 1

Fireflies :

• Fireflies glow at night for there safety.
• They also glow for mating with others.
• They attract preys by glowing.
• The fireflies are the indication of the start of summer.

The reason for glowing :

• The glow is seen at the abdomen region of the fireflies.
• This is because of the chemical reaction of a protein luciferin with oxygen, calcium and ATP resulting in production of glow. This reaction is an oxidation reaction.
• The glow and light emission reaction is all known as bioluminescence.

Hence, fireflies glow at night due to bioluminescence.