Organisms are named using the binomial system. What is the correct way to represent the binomial name for the domestic cat?
Felis catus\textit{Felis catus}Felis catus
Felis catus\text{Felis catus}Felis catus
felis catus\textit{felis catus}felis catus
felis catus\text{felis catus}felis catus