While life always has the potential to mutate and evolve to become competitive in a variety of ecological niches, it’s very difficult to displace an already-established organism that successfully occupies the niche in question. In the absence of a huge selection pressure, the already-dominant ...
At some point, the metabolic processes these organisms use to drive their life functions will produce a sufficient amount of “waste product” that builds to a critical level: eventually creating an environment that’s toxic to the population of the organism that produces it. If this sounds ...