Question

Felis domesticus is the scientific name for a house cat. Felis refers to the genus the cat belongs to. What part of the scientific name is domesticus?
a. Its common name
b. The phylum it belongs to
c. The species name of this cat
d. Its nickname

Answer 1

C. In binomial nomenclature, scientific names consist of a generi name, the genus and then a specific name, the species within the genus the organism belongs to. For a domestic cat, Felis is the genus, and domesticus is the species.

Answer 2

C. The species name of this cat. 
Hope this helps.