From: Lineage grammars: describing, simulating and analyzing population dynamics
Reaction
Global rate
Prey → 2Prey
c1 ⋅ Prey
Prey → ϕ
c2 ⋅ Prey ⋅ Predator
Predator → 2Predator
Predator → ϕ
c3 ⋅ Predator