Final answer:
Evolutionary psychology studies how universal patterns of behavior and cognitive processes have evolved over time due to natural selection.
Step-by-step explanation:
Evolutionary psychology is the discipline that studies how universal patterns of behavior and cognitive processes have evolved over time as a result of natural selection. This field focuses on how variations in cognition and behavior can affect an individual's success in reproducing and passing on their genes. Evolutionary psychologists study a range of psychological phenomena, including fear, to understand how they may have evolved as adaptations.