Good Bacteria

Are bacteria good or bad?

• Good

• Bad

• Both

The bacteria in my digestive system are extremely harmful and I should take meds to get rid of them.

• false

• true

Bacteria are classified by...

• shape

• the disease they cause

• color

• some

What type of bacteria is pictured?

• spirillium

• coccus

• bacillus

What type of bacteria is pictured?

• coccus

• spirilium

• bacillus

What type of bacteria is pictured?

• spirillium

• bacillus

• coccus

Which of the following is a way that bacteria are helpful? 

• aid in digestion
• cause diseases
• food poisoning
• wheat blight

Tags

NGSS.MS-LS2-3

Which of these is NOT a way that bacteria can be helpful?

• Aid in digestion of our food

• Protect against harmful bacteria

• Decompose organic matter in soil

• Fix nitrogen in soil for plants to use

• can become resistant to antibiotics

Bacteria found in food that can sometimes benefit the microbiome in humans are called

• probiotics

• antibiotics

• epibiotics

• endobiotics

Bacteria that stain red or pink are called

• gram positive
• gram negative