Understanding Bacteria

What tool is necessary to observe bacteria due to their microscopic size?

• Telescope

• Magnifying glass

• Microscope

• Binoculars

Which shape is NOT a classification of bacteria mentioned in the video?

• Spiral

• Cubical

• Spherical

• Rod-shaped

Where can bacteria be found living?

• Only in cold environments

• In various environments including hot places and inside bodies

• Only in soil

• Only in water

What is one of the roles of bacteria inside the human body?

• To produce oxygen

• To cause all diseases

• To break down substances and sometimes cause sickness

• To make the body heavier

How do some bacteria benefit humans?

• By making humans sick

• By creating lactic acid and aiding in food production

• By producing harmful toxins

• By consuming all nutrients