Frog singing is more common in males than females, and it is produced by passing air back and forth between the lungs and vocal pouches. They also use their large vocal sacs as resonators, and the process involves vocal cords in a larynx. Therefore, all of the choices are correct.

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Frog Singing

Question 32

Multiple Choice

Frog singing

A) is more common in males than females.
B) is produced by passing air back and forth between the lungs and vocal pouches.
C) uses the large vocal sacs as resonators.
D) involves vocal cords in a larynx.
E) All of the choices are correct.

Correct Answer: