Why people give common vernacular names to organisms?

Vernacular names given to the organisms in a particular language and region of the world. There are several types of names like English, Hindi, Gujrati, Marathi, Bengali, Tamil, etc. The names have been in use since times immemorial. New names are added whenever outside organisms are introduced into the area. List any one criteria on which vernacular names are based

Name two common vaccines.

Why is reproduction essential for organisms?

Why is reproduction necessary for organisms?

Why people in desert wear heavy clothes?

The common name of 2-butanone is

Why biologists do not favour common names?

Give uses of common salt.

Give the common name of the mitochondria.