How is the entire earth not covered in slimy mold and other bacteria?

Question

It takes 3 days or less for some food leftovers or even just wet spots on wood in room temperature to start growing a good amount of bacteria all over it, so how is it that like all of the ground and other organic material out in the elements aren’t completely covered in mold and algae after billions of years?

In: Biology

Answer 1

It is. They are everywhere. But other things eat mold and bacteria and there’s also the environment and things like weather…