Bacteria & Viruses

Prokaryotes are unlike all other organisms in that their cells 

• do not have a nucleus
• have organelles
• have cell walls

Name the three cell shapes of prokaryotes

• rod, square spiral

• spherical, rod, spiral

• crystal, tube, spaghetti

Name this bacteria shape

• spherical

• spiral

• rod-like

Name this bacteria shape

• rod-like

• spherical

• spiral

 Bacteria that help break down dead material in the environment are called 

• vaccines
• decomposers
• oats

Tags

NGSS.MS-LS2-3

All bacteria are harmful to humans

• True
• False

Most bacteria are...

• Autotrophs
• Heterotrophs

Archaebacteria live in extreme environments

• True
• False

A bacterial infection can be cured with an antibiotic because ____________

• a virus can be killed with an antibiotic
• bacteria are living organisms
• bacteria do not cause bad infections
• bacterial infections only occur in infants

Which of the following BEST describes how photoautrophophs obtain their food?

• Produce their own food using oxygen
• Do not produce their own food
• Produce their own food using light
• Produce their own food using heat

Tags

NGSS.MS-LS1-6