Fact 1: Some insects can use their antennae to detect sound.

Fact 2: Ants and butterflies have antennae.

Given the two facts above, answer the question "what can detect sound?" with the following options: 
- a fish
 - Firecrackers
 - A computer
 - Electric devices
 - butterflies
 - electricity
 - humans
 - insects


 

     butterflies    