The thoracic vertebrae of a mammal is characterized by the
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Correct Answer: Option D
Explanation:
The correct answer is:
D. prominent neural spine
The thoracic vertebrae in mammals are easily identified by their prominent neural spine, which is long and pointed upward. This feature allows for the attachment of strong back muscles and helps support the ribs, which articulate with these vertebrae.
Other options:
- A. vertebrarterial canal – Found in cervical vertebrae, not thoracic.
- B. prominent neural arch – Present in many vertebrae, not unique to thoracic.
- C. prominent transverse – Also more typical in cervical vertebrae.
- E. prominent centrum – All vertebrae have centra, not a unique thoracic feature.
The correct answer is:
D. prominent neural spine
The thoracic vertebrae in mammals are easily identified by their prominent neural spine, which is long and pointed upward. This feature allows for the attachment of strong back muscles and helps support the ribs, which articulate with these vertebrae.
Other options:
- A. vertebrarterial canal – Found in cervical vertebrae, not thoracic.
- B. prominent neural arch – Present in many vertebrae, not unique to thoracic.
- C. prominent transverse – Also more typical in cervical vertebrae.
- E. prominent centrum – All vertebrae have centra, not a unique thoracic feature.