Question

what is binomial nomenclature?
a two word system for naming organisms by using the genus and species
a two word system for naming organisms by using the family and genus
a two word system for naming organisms by using the order and family
a two word system for naming organisms by using the domain and species

Explanation:

Binomial nomenclature is a scientific naming system for organisms, where each organism is assigned a unique two-part name. The first part represents the genus (a group of closely related species), and the second part represents the species (a specific group within the genus).

Answer:

a two word system for naming organisms by using the genus and species