The term for an organism that feeds on producers is herbivore. Herbivores are primary consumers within an ecosystem, playing a pivotal role in transferring energy from plants—such as grasses and shrubs—up the food chain. By consuming producers, herbivores facilitate energy flow and nutrient cycling through their metabolic processes. Additionally, their grazing behaviors can influence plant community structure and productivity, shaping ecosystems. Herbivores are essential for ecosystem dynamics, serving as prey for higher trophic levels, including carnivores and omnivores.