Table 1.

Item	Parameter	Description	Range
Cell	r	radius	0.5 - 1 μm
	Dc	dispersal	0 - 3.5 μm2s-1
	μ	growth rate	1.0
Public good	ppg	production rate	1.0 s-1
	cpg	production cost	0.001
	b	benefit	0.01
	dpg	diffusion	1.0 − 7.0 μm2s-1
	δpg	durability	500 s
Toxin	ptox	production rate	1.0 s-1
	ctox + cres	production & immunity cost	0.00025 - 0.004*
	ctox	production cost	$0.000\overline{3}$†
	cres	immunity cost	$0.000\overline{3}$†
	dtox	diffusion	1.0 − 7.0 μm2s-1
	δtox	durability	50 - 5000 s
	θT	potency	600 - 1800
	κ	latency	1 − 6

^*varied in the simulations shown in Fig. 3.

^†based on the simulations shown in Fig. 3, c_tox and c_res were were fixed to these values for all subsequent analyses.