Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. In biology, a race is any inbreeding group, including taxonomic subgroups such as subspecies, taxonomically subordinate to a species and superordinate to a subrace and marked by a pre-determined profile of latent factors of hereditary traits. Examples of race include: The Key lime and the Mexican lime, both of species Citrus x aurantifolia. The Mexican lime has a thicker skin and darker green color. The African Wildcat (Felis silvestris lybicus) and the domestic cat (Felis silvestris catus). The Western honey bee is divided into several honey bee races