Unit 4 Microorganisms Flashcard

Front

What are microorganisms?

Back

Microorganisms are tiny living organisms that can only be seen with a microscope. They include bacteria, viruses, fungi, and protozoa.

Front

Are all microorganisms harmful?

Back

No, some microorganisms are harmful, but many are helpful to larger organisms.

Front

What role do bacteria play in the human digestive tract?

Back

Bacteria in the human digestive tract help digest food and maintain a healthy gut.

Front

What health issue can be caused by microorganisms?

Back

Strep throat is an example of a health issue caused by microorganisms.

Front

What are antibiotics?

Back

Antibiotics are medicines that help stop infections caused by bacteria.

Front

Can microorganisms be seen with the naked eye?

Back

No, microorganisms are too small to be seen without a microscope.

Front

What happens when harmful microorganisms enter a living organism?

Back

They can cause the organism to get sick.

Front

Give an example of a helpful microorganism.

Back

Lactobacillus is a helpful bacterium that aids in digestion and is found in yogurt.

Front

What is the difference between harmful and helpful microorganisms?

Back

Harmful microorganisms can cause diseases, while helpful microorganisms can aid in processes like digestion and nutrient absorption.

Front

What is a virus?

Back

A virus is a type of microorganism that can only reproduce inside a living host cell and can cause diseases.