What does the first word in a two word name of an organism identify?

It is identified as the genus name of the species.

A two word name of an organism is also called a scientific name. For example, humans are called Homo sapiens. Homo, is the genus name, and sapiens is the specie name. Another example, tiger is called Panthera tigris, while lions are called Panthera leo, since both tiger and lion are from the same genus, they share the genus name.

The classification of living things in order are kingdom, phylum, class, order, family, genus, species.

The answer is a if u read the definition it makes sense

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