Answer: A. Hunting occurs while flying through the air.
Step-by-step explanation:
Natural selection is a process of differential survival and reproduction, this means some organisms in the population of a species exhibit more favorable traits over others which enable them to survive, reproduce and increase in numbers.
According to the given situation, golden eagles exhibit a trait of observing small objects from great distance as their eyes allow them to see the prey while flying. Hence, hunting occurs while flying through the air is the correct option.