Resource scarcity refers to the limited availability of essential resources such as food, water, and shelter in an ecosystem. This scarcity leads to increased competition among organisms for these resources, as they must compete for their survival. Organisms that are better adapted to obtaining and utilizing scarce resources are more likely to survive and reproduce, passing on their advantageous traits to future generations. Thus, competition driven by resource scarcity plays a crucial role in determining which organisms are successful in their struggle for survival.
