Binary Fission and everything is equally divided between the two daughter cells. This is also the time it takes for a population to double.
Bacterial population increases exponentially or logarithmically .
The more ideal the conditions, the faster the growth - up to the maximum growth rate for the species. Stationary Phase - during this phase the number of new cells equals the number of dead cells so that there is no net increase in viable cells . Nutrient are becoming depleted, the pH is changing, toxic wastes are building up, oxygen levels are becoming depleted. Death Phase - Rate of cell death is faster than regeneration. Death may accelerate and become exponential.