Modeling of the Bacillus subtilis Bacterial Biofilm Growing on an Agar Substrate

Table 1

Unknown dependent variables and their fundamental units in the biofilm growth model on agar substrate.

Variables	Physical quantity	Units
	Biofilm thickness	L
	Nutrient concentration in the agar substrate
	Average nutrient concentration in the biofilm
	Average volume fraction of active biomass in the biofilm	None
	Average volume fraction of inactive biomass in the biofilm	None