What Is the Difference Between CF-FM Calls and CF Calls

question 50

Multiple Choice

What is the difference between CF-FM calls and CF calls in bats?

• A)CF-FM calls involve long calls at a single frequency; FM calls involve a modulation of frequencies.
• B)CF-FM calls involve a modulation of frequencies; FM calls use a single signal at a high frequency.
• C)CF-FM calls require a loud initial call followed by a decrease in amplitude; FM calls use only a single amplitude.
• D)CF-FM calls involve a series of calls at different amplitudes spaced out in a rhythmic pattern; FM calls use a single signal at a low amplitude.

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Definitions:

Competition

Results when members of a species attempt to use a resource that is in limited supply.

Secondary Succession

The process of ecological regeneration that occurs in an environment where a disturbance has destroyed a pre-existing community but left the soil intact.

Sequence of Events

The chronological arrangement or order in which events or steps occur.

Forest

A large area covered predominantly with trees and undergrowth.