Grade 9 Biological Diversity Unit Practice Exam

Changing its niche is a key strategy that organisms can utilize to minimize competition for resources. A niche encompasses the role and position a species has in its environment, including its habitat, resource use, and relationships with other organisms. By altering its niche, an organism can find new ways to gather resources or adapt to different conditions that reduce overlap with others. For example, two species of birds may inhabit the same forest, but if one starts to feed on insects found in tree bark while the other feeds on seeds on the ground, they are effectively changing their niches to reduce direct competition. This allows both species to coexist without depleting the same resources, thereby enhancing their chances of survival and reproduction. This approach contrasts with simply changing reproductive strategies, increasing size, or competing more aggressively, which may not necessarily address the fundamental issue of resource overlap and could lead to increased stress and possible negative outcomes for the organisms involved.