Bacteria *facepalm*
Eubacteria are unicellular organisms that are found everywhere.
There are harmful to all organisms, but some bacteria are helpful in many ways.
it dose not ok people an i am asintist
If you need help I recommend you type in the specific question you need help with
Helpful- Makes food, Medicine, cleans oil spillsHarmful- Makes diseases, germs
mushrooms are helpful because they break down dead organisms and are "clean-up" the environment.
--------bob
it can be helpful or harmful
Ants can be helpful or harmful, depending on the circumstances. They can be helpful by aerating the soil, eating potentially dangerous pest species, and eating dead organisms that might otherwise lie around. They can be harmful by ruining food or by biting.
sometimes they are helpful and harmful.
Bacteria can be both harmful and helpful
Sandpaper is both helpful and harmful.