Question

in the world of living organism frog and insect use different methods for production of sound justify this statement

Answer 1

Yes, l agree with the above statement. Not only frog but all other organisum also have there own sound.
They recognize each other by their sound.

Answer 2

Frogs and insect rely extensively on acoustic communication to regulate social interactions, especially those involved in reproduction. They have become a model for vertebrate communication because of the extensive integration of knowledge from studies of brain behavior and evolution. The most conspicuous, and the best-studied, signal-receiver interaction is the male's long-distance mating call and the female's response to it.