Question

insects produce sound by vibrating their ----------​

Answer 1

The male cicada makes sounds by changing the shape of two membranes in his ribs called tymbals. By contracting a muscle, the cicada bends the membrane inward, producing a loud click. As the membrane snaps back, it clicks again. This produces vibrations that move through his abdomen to make the sound louder.☺☺

Answer 2

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• The male cicada makes sounds by changing the shape of two membranes in his ribs called tymbals. By contracting a muscle, the cicada bends the membrane inward, producing a loud click. As the membrane snaps back, it clicks again. This produces vibrations that move through his abdomen to make the sound louder.

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