The Tree of Life Cladogram
True Bacteria

CHARACTERISTICS: microscopic, single-celled organisms that lack a membrane-bounded nucleus within their cells
KNOWN SPECIES: 11,391
SIZE RANGE: microscopic to about .02 inches (0.05 micron to 0.6 millimeter)
WHERE THEY LIVE: In all environments, including inside other organisms

Here are just SOME of the world's true bacteria: Escherichia coli
Photos are not actual size! Nodularia sp. Staphylococcus
Salmonella enteriditis Staphylococcus
Salmonella enteriditis Guess What?
  next group

 

Nodularia sp.