Predator and prey play an important role in our ecosystem. They each have roles that directly or indirectly affect one another. Species of the same kind which live and interact of the same region is called a population. For example, the wolf and moose each make up the population of their species. The environment in which includes all living and nonliving things interact is the ecosystem. On Isle Royale, scientist have studied the interaction between the wolves and moose and how they each affect one another as predator and prey respectively. This is called a population cycle and each depend on one another for survival, directly or indirectly. These cycles are studied over many years on the rise and fall of each population. The ecosystem
