Genus

In biology, a genus is a taxonomic rank that is used to group together related species. It is the first part of a two-part scientific name, with the second part being the species name. The genus is a higher rank than the species, and it is used to group together species that share similar characteristics. For example, the genus Canis includes all species of dog, such as wolves, coyotes, and domesticated dogs.

The classification of species into genera and other taxonomic ranks is known as taxonomy, and it is used to organize the diversity of life on Earth into a logical and hierarchical system. The classification of species into genera and other taxonomic ranks is based on a combination of physical characteristics, genetic information, and evolutionary history. Scientists use taxonomy to better understand the relationships between different species and to study the evolution of life on Earth.