Question

a biologist working to understand and combat the evolution of viruses and bacteria would most likely be working in which field?
ecology
biotechnology
epidemiology

Explanation:

Epidemiology focuses on the study of diseases, including how they spread, their causes, and how to control them. Understanding and combating the evolution of viruses and bacteria is a key aspect of epidemiology. Ecology is about the relationships between organisms and their environment. Biotechnology involves using biological systems for technological applications.

Answer:

epidemiology