According to the rules of binomial nomenclature which terms is capitalized?

According to the rules of binomial nomenclature, only the genus name is capitalized.

Here's a breakdown:

* Genus name: Always capitalized.

* Species name: Always lowercase.

Example: *Homo sapiens*

* *Homo* (genus) is capitalized.

* *sapiens* (species) is lowercase.

The entire binomial name is typically written in italics or underlined.