The Department is led by the Secretary of State, who is nominated by the President and confirmed by the Senate and is a member of the Cabinet. The current Secretary of State is Rex Tillerson, beginning 1 February 2017.
â¢ Genus is the first name, and the species is the second name of a scientific name of any organism. â¢ Genus ranks higher compared to species in the hierarchy of taxonomy. â¢ Two fertile animals from one species can produce a fertile progeny, whereas two animals from one genus could or could not do so.hese two are the lowest considerable taxonomic levels, but rank above subspecies or breeds or types. However, many used to confuse the two terms, genus and species. Before understanding the difference between the two, it is important to know the meanings of genus and species, and this article follows that.
Explain how a species is given a scientific name. Binomial system of nomenclature because each species is assigned a two part name. The first part is the Genus. Second part Specific Epithet, designates a particular species belonging to that genus.