TABLE 3.

Model set for bacterial number in relation to the presence of worms and the bacterial species^a

Variable(s) in the model	Kb	AIC
Null model	1	191.64
Worms present	2	160.57
Bacteria	2	184.82
Worms present + Bacteria	3	146.43
Worms present × Bacteria	4	146.60

^aThe best model is shown in boldface.

^bK, number of parameters.