What useful jobs can bacteria do?

Answer 1

1.) Bacteria are essential for life- they fix nitrogen in the atmosphere so that it can be in a form usable for the basic building blocks of a cell.

2.) They provide the best primary immune defense against other potentially pathogenic bacteria.

3.) They are involved in the production of rain.

4.) They are used to make many delicious foodstuffs, such as- sour kraut, yogurt, and pickles.

5.) They are involved in bio-remediation- they can metabolize almost any carbon source i.e. the BP oil spill in the gulf.

6.) They live in our intestines and are a key component of digestion.

7.) They single handedly clean our sewage.