Some Deer Mice Are Physiologically Adapted to Live at High

question 79

Multiple Choice

Some deer mice are physiologically adapted to live at high altitudes because ____.

• A) adults maintain fetal forms of hemoglobin
• B) of mutations in hemoglobin that increase its oxygen-binding affinity
• C) of mutations in myoglobin that increase its oxygen-binding affinity
• D) of mutations that increase heart rates
• E) of mutations that decrease heart rates