Ecosystems recover after an oil spill through a process called bioremediation, where naturally occurring microorganisms break down and metabolize the oil components. Additionally, natural processes such as weathering, evaporation, and dispersion help in reducing the impact of the oil spill. Over time, affected ecosystems may gradually recover as vegetation regrows, animal populations rebound, and the overall ecological balance is restored. However, the recovery process can vary depending on the severity of the spill, the type of oil involved, and the specific characteristics of the affected ecosystem.