1.

6th fill up_____ ear is present in mammals.​

Answer»

PinnaIn many MAMMALS the pinna is of negligible auditory significance. ... At the GROSSEST level, the "labyrinth" or inner ear OCCURS in all VERTEBRATES; a distinct middle ear con- sisting of pharyngeal pouch and tympanic membrane is found only in TETRAPODS; and the "pinna" or external ear is peculiar to mammals.Explanation:Hope it will help you and please folw me !!



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