Question Detail

ZOO 101 ZOO 101 Past Questions Objective Question
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Question

The three middle ear bones in mammals are derived from:
Options
A Skull bones
B Reptilian jaw bones
Correct Answer
C Limb bones
D Vertebral bones
Correct Answer

Option B is the correct answer.

Detailed Explanation

The three middle ear bones (malleus, incus, stapes) are derived from reptilian jaw bones. The malleus and incus evolved from the articular and quadrate bones of the reptilian jaw, while the stapes came from the columella.

Hint

These bones were once part of the jaw structure in reptilian ancestors.

Question Info

Course: ZOO 101
Topic: ZOO 101 Past Questions
Type: Objective
Difficulty: Not specified
Question 1443 of 2214
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