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5.5 gather and process information from secondary sources to outline and compare some of the structures used by animals to produce sound

gather and process information from secondary sources to outline and compare some of the structures used by animals to produce sound

Animal Description of structure used to produce sound

bats

ultrasonic signals from the bat’s larynx

grasshoppers

friction of the back legs or rubs the veins on the wings together (stridulating)

frogs

male frogs vocalise by squeezing their lungs while shutting their nostrils and mouth, air flows over their vocal cords and into their vocal sacs

fish

some fish vibrate their swim bladders to create sound

Compare these structures. How are they similar? How are they different?
A useful starting point is the web site Biosonar (external website) University of Bristol, UK.

A useful starting point is the web site Bioacoustics (external website) Oregon State Universtiy.