Bacterial Reproduction: Genetic Recombination (Sexual) Conjugation Exchange of DNA Variety Asexual Binary fission No Variety
Aerobic Bacteria require oxygen & can make cavities!
Anaerobic Bacteria live without oxygen, in our intestines & may be in polluted waters E. Coli from human feces Helpful in the intestines Harmful in other parts of the body
Endospores Thick Walled structures which keep bacteria in a Dormant state No reproduction during this time Metabolic activity is shut down Protects bacteria against hostile environments Come back to life with favorable conditions
Bacteria can be Helpful and Harmful Helpful 1. Nitrogen fixation 2. Decomposition 3. Used to make Food Harmful 1. Bacteria Cause Diseases