The Life Cycle of Amphibians

The Life Cycle of Amphibians

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Frogs mate during the rainy season in the tropics. They mate ... To make this sound, a male frog pushes air through his vocal cords into a vocal sac. The vocal sac is a pouch that can be under his mouth or at the sides of his mouth. The vocal anbsp;...

Title:The Life Cycle of Amphibians
Author:Darlene R. Stille
Publisher:Raintree - 2012-07-01


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