Page 142 - Science
P. 142
• The swelling under the frog’s chin is
called the resonator.
• The male frogs use it to tell the female
that they are around.
• The resonator allows the frog to be
heard at a greater distance.
• The resonator is very important in the
life cycle of tree frogs.
• It brings together the male and female
frogs in the rainforest gloom.
