Question

How do a few animals glow in the dark?

Answer 1

Bioluminescence:

1. It is the process in which an organism's body produces light as a result of a chemical reaction.
2. For the occurrence of that chemical reaction, the organism must possess a chemical called luciferin.
3. Luciferin when comes into contact with oxygen, reacts and produces light.
4. Bioluminescence is a kind of chemiluminescence.
5. It is observed generally in the organisms that live in the deep sea.
6. Some of the organisms that show this phenomenon is - marine vertebrates, invertebrates, some microbes, bacteria, and fungi. It is also seen in some arthropods such as fireflies.