*Bacteria Only*
* coccus: are round * bacillus: rod-shaped * spiral-shaped * diplo- in pairs * staphylo- grape-like clusters * strepto- long chains

*Summary*
Bacteria (bacterium) are unicellular micro-organisms.

*Major Groups*

• Archeabacteria: Bacteria adapted to extreme environments.
  
• Eubacteria (Heterotrophs) : ( no oxygen, extreme hot, and concentrated salt water)
  

*Benefits*
* Some of the benefits of the protists are they clean the water by eating and breaking down the toxic waste and other bacterias that can be very harmful. * They are in your lungs and they help break down the mucus and stuff in there.

*Problems*
Some organisms can be harmful because our bodies aren't used to them. There is bacteria based organisms that carry diseases and other harmful bacteria. Also without some types of protists and organisms, the world and Eco-system cant function properly. The protists break-down certain things in water that is harmful to us and makes it better.