And the entire idea of species is kind of fraught because once we were all microorganisms? No. Invasive species are relatively new to the land, they disturbe t

And the entire idea of species is kind of fraught because once we were all microorganisms? No. Invasive species are relatively new to the land, they disturbe the existing equilibrium often without any natural predators to hunt them and they wreak havoc. Like wild boars in USA. Like rabbits in Australia. Like humans on earth. Barren islands evolved for tens of millions of years in isolation were all over the world until humans built ships.