DNA Analysis Reveals That Two Species of Birds Appear to Have

question 1

Multiple Choice

DNA analysis reveals that two species of birds appear to have evolved from a common ancestor. These two species belong to the same

• A) gene pool.
• B) species.
• C) nest group.
• D) breeding group.
• E) clade.

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Definitions:

Intercostal Space

The anatomical area between two ribs, which contains muscles, nerves, and blood vessels.

Tympany

A drum-like sound produced during percussion of a body cavity with significant air content, often heard in the abdomen.

Xiphoid Process

The small, cartilaginous projection at the lower end of the sternum, which can become ossified in adults.

Aortic Pulsations

The rhythmic expansion and contraction felt over the aorta, reflecting the heartbeat and blood flow.