Chapter 30, Problem 32A

Summary Introduction

To determine:

The condition, in which ultrasound may be effective as a warning sign.

Introduction:

The ultrasounds are the sound frequency, which is upper than the human audible range of sound frequency. Many animals produce and are able to sense these frequencies.

Explanation of Solution

The ultrasound is a sound frequency, so it can be detected by the nearby organism present. The animals may use the frequency as the warning source when the predators are not able to hear the sound frequency that falls in ultrasonic range.