Final answer:
The common name of the species 'Gerbillos pyramidum' includes the name of B) Egypt, as the term 'pyramid' is associated with the famous Egyptian pyramids.
Step-by-step explanation:
The species Gerbillos pyramidum includes the name of a country in its common name. The correct answer to which country's name is included is B) Egypt. This is because the term 'pyramid' is closely associated with Egypt due to the country's famous historical structures. The Great Pyramids of Giza in Egypt are one of the most recognizable symbols of the country and are a significant archaeological and historical landmark. Therefore, the common name of Gerbillos pyramidum alludes to this iconic Egyptian feature.