Microorganisms

What is a microorganism?

• a non living thing.

• a living thing too small to be seen with just our eyes.

• a large group of cells.

• a type of plant.

Many microorganisms are made of how many cells?

• 500

• 2

• 1

• 1,000,000

Tags

NGSS.MS-LS1-1

You need a microscope to see microorganisms.

• True

• False

Select the types of microorganisms.

• microbes

• bacteria

• cells

• protists

Bacteria is one of the biggest kinds of microorganisms.

• True

• False

Bacteria is...

• helpful AND harmful to human life.

• only helpful to human life.

• only harmful to human life.

Harmful bacteria can cause illness.

• True

• False

Helpful bacteria does not help fight disease.

• True

• False

Protists are...

• helpful

• harmful

• much larger than bacteria

• much smaller than bacteria

• a kind of microorganism

Where are many harmful protists found?

• the park

• ponds and lakes

• the ocean and lakes

• Chaparral Hills Elementary