What would happen if the tertiary consumer went extinct?

If the tertiary consumer went extinct, it would disrupt the food chain, leading to an overpopulation of secondary consumers, which could deplete primary consumer populations. This imbalance may result in reduced plant life due to overgrazing or predation, ultimately affecting the entire ecosystem. Additionally, the loss of a tertiary consumer could lead to the decline of species that rely on it for population control, leading to further biodiversity loss. Overall, the extinction would create a ripple effect, destabilizing the ecosystem.