Biological control (or biocontrol) is a method of controlling pests (insects, mites, weeds, plant diseases) using other living organisms. This involves using natural enemies such as predators, parasitoids, pathogens (like bacteria, viruses, fungi), or competitors to reduce pest populations. Bioremediation uses organisms (usually microorganisms) to clean up environmental pollutants. Species niche partitioning refers to how different species utilize resources in a way that minimizes competition. Vector control involves controlling organisms that transmit diseases, which can employ various methods, including chemical, environmental, or biological approaches, but "biological control" specifically describes the use of organisms for pest/vector management.