Which term refers to a broad category of microorganisms that includes bacteria, viruses, and fungi?

Which term refers to a broad category of microorganisms that includes bacteria, viruses, and fungi?

• A. Infectious Disease
• B. Harmful Microorganisms
• C. Algae
• D. Amoebas

Answer: (B)

Think about how scientists group tiny living things. The broad category that includes bacteria, viruses, and fungi is microorganisms, often called germs in everyday language. Among the options, the phrase harmful microorganisms best fits that idea because it points to the kinds of tiny organisms that can cause illness, and those include bacteria, viruses, and fungi. It’s true that not all microorganisms are harmful, but in health contexts we focus on the ones that can make us sick, which is why this term is the most appropriate for describing that wide group. The other choices describe either a disease (not the group of organisms) or specific types of organisms, not the broad category that includes all three.

Think about how scientists group tiny living things. The broad category that includes bacteria, viruses, and fungi is microorganisms, often called germs in everyday language. Among the options, the phrase harmful microorganisms best fits that idea because it points to the kinds of tiny organisms that can cause illness, and those include bacteria, viruses, and fungi. It’s true that not all microorganisms are harmful, but in health contexts we focus on the ones that can make us sick, which is why this term is the most appropriate for describing that wide group. The other choices describe either a disease (not the group of organisms) or specific types of organisms, not the broad category that includes all three.