I need some advice for making an ecosystem

[jdeejoseph0505]

I wanna make an ecosystem but dont know where to start.

[CutieCocoa]

what do you mean by ecosystem?. it is like a site b in jurassic park/world?.

[Anthracite]

Ecosystems don't work in this game, herbivores require feeding by keepers and carnivores will just kill the herbivores indiscriminately.