Question

Identify the animal groups which external ear or pinna

Answer 1

The animal group with external ear or pinnacle is Mammalia

Answer 2

Mammals

Explanation:

• The external ear or pinna is the part of the outer ear. It is made up of ridged cartilage that is covered by the skin.
• The pinna aids the transferring or directing the sound from external environment into the animal ear. Thus this can be said that pinna helps in localization of sounds.
• The foxes have large bowl like pinnas that aid in movement of sound that comes from distant locations.
• In humans the pinna is a vestigial organ that is it exhibit no use or function.

Learn more about ear pinna:

Function of pinna or outer ear?: https://brainly.in/question/6292973

External ear pinna is supported by: https://brainly.in/question/2698089