Food web dynamics refer to the complex interactions between different organisms within an ecosystem. These interactions include the flow of energy and nutrients as organisms consume one another, forming a network of producers, consumers, and decomposers. Producers, like plants, convert sunlight into energy, while consumers, such as herbivores and carnivores, rely on these producers for food. Changes in one part of the food web can significantly impact other parts. For example, if a predator population decreases, the number of herbivores may increase, leading to overgrazing of plants. This interconnectedness highlights the importance of each species in maintaining ecosystem balance.