5.4b Biological control

• Biological control of pests simply means an introduction of a species that could terminate the pests
• Advantages of Biological control is no toxic chemical and less impact on the wild life
• Disadvantages to biological control is that it is not 100% effective, it is difficult to control and it is difficult to match the predator to the prey. Also new pests may be created in the process of trying to get rid of the original pest eg. cane toads