Bacteria are single-celled organisms that can survive in a wide range of conditions, even the harshest.
They are found in practically every part of our environment, from the human gut to the ocean and down to the soil.
The exact conditions required may vary between species. For example, some bacteria thrive in the absence of oxygen while some may need oxygen to survive.
FATTOM is an acronym used to describe the conditions necessary for bacterial growth:
Bacterial growth necessitates the following conditions: