Sources of information:
http://www.factmonster.com/science/biology/five-kingdoms.html
http://www.ruf.rice.edu/~bioslabs/studies/invertebrates/kingdoms.html
http://www.factmonster.com/science/biology/five-kingdoms.html
http://www.ruf.rice.edu/~bioslabs/studies/invertebrates/kingdoms.html
- Unicellular (consisting of a single cell)
- Some cause sickness and some are helpful
- Use photosynthesis
- No other organelles
- Very tiny
- Reproduce by splitting in two
- Cells have no membrane around the nucleus
Frateuria aurantia
Escherichia coli
Campylobacter jejuni
Rickettsia rickettsii