Answer:
Microbiologists studies microbiology which includes the study of the biology, ecology, pathogenicity and industrial applications of microorganisms like bacteria, protozoa, viruses, fungi, algae, and some parasites.
Explanation:
Microbiologists study about the microscopic organisms those cause infections like viruses, bacteria, fungi, and algae. They observe how the organisms are growing to understand the characteristics of microscopic organisms to prevent diagnose and to treat infectious diseases.
Microbiologists are also involved with the culturing of microbes for the production of many economic benefit products like antibiotics, protein antibodies, and vaccines.