Viruses and Bacteria

Prokaryotes are unlike all other organisms in that their cells 

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

Bacteria that contain chlorophyll and perform photosynthesis like a plant belong in the group

• archaebacteria
• cyanobacteria
• chemoautographs
• pathogens

The process of converting nitrogen into a form plans can use is known as nitrogen

• conjugation
• sterilization
• fixation
• decomposition

Name the three cell shapes of prokaryotes

• rod, circle spiral
• cocci, bacilli, spirilli
• crystal, tube, spaghetti

Name this bacteria shape

• coccus
• spirillum
• bacillus

Name this bacteria shape

• bacillus
• coccus
• spirillum

Name this bacteria shape

• coccus
• bacillus
• spirillum

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

• vaccines
• decomposers
• oats

True or False: Some types of bacteria eat and clean up oil spills

• True
• False

Bacteria cells are exactly like animal cells

• True
• False