Microorganism Lesson

Identify a statement that shows how bacteria are NOT helpful to humans.

• Bacteria break down dead plants and animals

• Bacteria break down water, soil, and air pollution.

• Bacteria cause inflammation of tissues and often a fever. 

• Bacteria break down the milk protein to create cheese. 

Beneficial or Harmful?

bacteria used in cheese and yogurt

• beneficial

• harmful

Nitrogen-fixing bacteria are important because...

• they are decomposers

• they are salt lovers

• they provide protection for plants from diseases

• they make nitrogen available to plants in form they can use

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-3

Bacteria are made up of how many cells?

• 1

• 2

• 3

• trillions!

Tags

NGSS.MS-LS1-1

Mold helps dead things (plants, animals)...

• Grow

• Decay

• Sleep

• Reproduce

Tags

NGSS.MS-LS2-3

Some bacteria is known as ________________ and cause disease.

• pathogens

• flagella

• influenza

• ebola

Bacteria is known as ______________ in an ecosystem when feeding on dead organisms.

• decomposers

• herbivores

• pathogens

• infections

What is true about bacteria?

• Bacteria use photosynthesis to make their own food

• Bacteria can only be found in dirt

• Bacteria is always beneficial

• Bacteria can be used to make certain foods

Beneficial or Harmful?

yeast used to cause bread to rise

• beneficial

• harmful

Beneficial or Harmful?

fungus causes ringworm or athlete's foot on the skin

• beneficial

• harmful