Answer
A. Mycobacterium tuberculosis
Work Step by Step
Mycobacterium tuberculosis is a scientific name because it contains a genus, (Mycobacterium), and a specific epithet (tuberculosis).
The root word myco- meaning fungus, alludes to the characteristic of mycobacterium to grow in a similar fashion to fungi.
The specific epithet tuberculosis is used to refer to the species as the causative agent of the disease tuberculosis.
Appendix E contains common word roots in microbiology.