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Pinna/external ear is found in...

Pinna/external ear is found in

A

Insects

B

Aves

C

Reptiles

D

Mammals .

Text Solution

AI Generated Solution

The correct Answer is:
To answer the question "Pinna/external ear is found in," we will analyze the options provided: insects, apes, reptiles, and mammals. ### Step-by-Step Solution: 1. **Understanding the Pinna/External Ear**: - The pinna, also known as the auricle, is the visible part of the ear that is located outside the head. It plays a crucial role in collecting sound waves and directing them into the ear canal. 2. **Analyzing the Options**: - **Insects**: Insects do not have a pinna or external ear structure. They have different mechanisms for detecting sound, such as tympanal organs. - **Apes**: Apes are a type of mammal and do possess an external ear structure, including the pinna. - **Reptiles**: Reptiles do not have a pinna. They have a simpler ear structure without an external ear. - **Mammals**: Mammals, including humans, have a well-developed pinna that is characteristic of their ear anatomy. 3. **Conclusion**: - Based on the analysis, the pinna or external ear is found in mammals. Therefore, the correct answer is option D: mammals. ### Final Answer: The pinna/external ear is found in **mammals** (Option D). ---
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