The __________ first appeared as a structure concerned with the detection of sound waves in amphibians.
A)semicircular canals
B)tympanum
C)external auditory canal
D)malleus
E)auricle

Name: The __________ first appeared as a structure concerned with the detection of sound waves in amphibians. A)semicircular canals B)tympanum C)external auditory canal D)malleus E)auricle
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Question

Quizplus · Accepted Answer

The tympanum, also known as the eardrum, first appeared as a structure concerned with sound detection in amphibians.

The __________ First Appeared as a Structure Concerned with the Detection