Question

What is the audible range? Name some animals which play games by producing ultrasound.

Answer 1

1. The audible range is 20 Hz to 20000 Hz.
2. Ultrasound is produced by dolphins and bats.
3. Moths of certain families have very sensitive hearing equipment.
4. These moths can hear the high-frequency squeaks of the bat and know when a bat is flying nearby, and are able to escape capture.
5. Rats also play games by producing ultrasound.