| A | B |
|---|
| 2 Bacteria Kingdoms | Archaebacteria & Eubacteria |
| Evidence of Bacteria Existence | 3.5 billion years ago |
| Peptidoglycan | Absent in Archaebacteria cell walls |
| Bacilli | Rod-shaped |
| Cocci | Sphere-shaped |
| Spiralla | Spiral-shaped |
| Pili | short, hairlike structures |
| Capsule | protect against drying or harsh chemicals |
| Methanogens | Can only live in anaerobic conditions |
| Thermoacidophiles | Live in extremely acidic enviroments |
| Extreme Halophiles | Salt-loving archaebacteria |
| Endospore | Thick outer covering that surrounds DNA |
| Transduction | virus obtains DNA fragments from host bacterium |
| saprophytes | heterotrophic bacteria; feeds on dead and decaying material |
| photoautotrophs | use sunlight as an energy source |
| obligate anaerobes | cannot survive in oxygen |
| facultative anaerobes | can live with or without oxygen |
| obligate aerobes | cannot survive without oxygen |
| conjugation | 2 bacterias bind together and 1 bacteria transfers genetic information |
