Competition plays a critical role in ecological relationships by influencing species interactions and driving evolutionary change. When resources such as food, space, or mates are limited, organisms compete to survive and reproduce. This competitive dynamic can lead to adaptations that enhance survival, promote species diversity, and shape community structures. Furthermore, competition can contribute to the process of natural selection, whereby the most fit individuals thrive, fostering evolutionary change over time. Thus, competition is fundamental to maintaining ecological balance and facilitating species coexistence.