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Bacteria can be both harmful and helpful
Bacteria can be helpful by deleting bad viruses and harmful by killing you
a bacillus bacteria
Probably to humans, I wouldn't eat dead leaves. Well yes you wouldn't eat dead leaves but in an eco way they are helpful.
Paramecium cilia are little hairs around its body that can make it move in different directions. It is beneficial to the paramecium to get food (bacteria) and there are no harmful effects.
Harmful bacteria will harm you. Helpful bacteria will help you.
Bacteria can be both harmful and helpful
Bacteria can be helpful by deleting bad viruses and harmful by killing you
harmful
a bacillus bacteria
There are harmful to all organisms, but some bacteria are helpful in many ways.
bacillus bacteria
There are many, many types of bacteria. They can be both harmful and helpful to us. Also, even if there were to be helpful in a certain part of the body they may also be a pathogen in another.
helpful bacteria helps digest food in our bodies and the bacteria in our mouth, noise and throat help to keep harmful bacteria out!
helpful bacteria helps digest food in our bodies and the bacteria in our mouth, noise and throat help to keep harmful bacteria out!
they help digest food they are harmful by "attacking" cells
things are harmful to earth