Selective breeding is a process used by farmers and breeders to enhance specific traits in plants and animals. By choosing which individuals to mate based on desired characteristics, such as size, color, or disease resistance, they can produce offspring that exhibit these traits more prominently. This method is commonly used in agriculture to improve crop yields and livestock quality. The practice of selective breeding has been applied to various species, including dogs, cattle, and corn. Over time, it has led to the development of new varieties and breeds that are better suited for specific environments or purposes, contributing to food security and biodiversity.