12. The Microbial World
Bacteria Archaea Eucarya
Cell type Prokaryote Prokaryote Eukaryote
Cell
organization
Unicellular Unicellular Unicellular
or Multicellular
Cell Walls
(containing
peptidoglycan)
Yes No No
Membrane-
bond
organelles
No No Yes
Environments
Found in
All Extreme
environments
Not in extreme
12
1 2 3