15 Bacterial Reproduction: GeneticRecombination (Sexual)ConjugationExchange of DNAVarietyAsexualBinary fissionNo Variety
16 Aerobic Bacteria require oxygen & can make cavities!
17 Helpful in the intestines Harmful in other parts of the body Anaerobic Bacteria live without oxygen, in our intestines & may be in polluted watersE. Coli from human fecesHelpful in the intestinesHarmful in other parts of the body
18 EndosporesThick Walled structures which keep bacteria in a Dormant stateNo reproduction during this timeMetabolic activity is shut downProtects bacteria against hostile environments“Come back to life” with favorable conditions
19 Bacteria can be Helpful and Harmful Nitrogen fixationDecompositionUsed to make FoodHarmfulBacteria Cause Diseases
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