Which two levels of classification are represented in an organism's scientific name? class and kingdom domain and phylum genus and species family and order

Genus and species.

Explanation:

The system of the biological classification is important to classify the organisms into different group. Linnaeus is known as the father of biological classification.

The naming of the species that comprises two levels are known as known as biological nomenclature. The first name of the organism represents the genus and the second name represent the species to which the organisms belong.

Thus, the answer is option (3).