Question

Why is the earth not covered with bacteria?

Answer 1

The earth, isnt over run with bacteria, but its almost everywhere, but cold climates. bacteria is kept under check, especially the bacteria in your food, in your eviroment, and in you yourself. some bacteria is needed though, but if it gets out of control, a doctor, or someone like a nurse, to take a look. Hope this helped!

Answer 2

The growth of bacteria is held in check by the availability of food and the production of waste products.