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en.wikipedia.org/wiki/Economic_importance_of_bacteria

Bacteria are economically important as these microorganisms are used by humans for many purposes and are harmful in causing disease and spoiling food . The beneficial uses of bacteria include the production of traditional foods ...

www.sciencelearn.org.nz/resources/588-bacteria-good-bad-and-ugly

Nov 9, 2008 ... Bacteria range from the essential and useful, to the harmful.

www.enotes.com/homework-help/please-give-3-examples-helpful-bacteria-3-examples-156127

Apr 10, 2010 ... Get an answer for 'Please give 3 examples of helpful bacteria and 3 examples of harmful bacteria.' and find homework help for other Science ...

www.brighthub.com/science/genetics/articles/41263.aspx

Jul 5, 2010 ... Unlike pathogenic bacteria that can cause you harm, here are three friendly and helpful bacteria that do you the power of good.

www.reference.com/science/four-ways-bacteria-can-helpful-humans-81f75d904cb1b756

Though some bacterias cause disease and illness in humans, the majority are harmless. Some bacterias are used to aid digestion, used in preparation of certain ...

www.huffingtonpost.ca/natasha-turner-nd/good-bacteria_b_3573222.html

Jul 10, 2013 ... These days we are constantly bombarded by commercial messages urging us to fight germs and rid ourselves of bacteria. But in the right ...

www.livestrong.com/article/95239-good-bacteria-helpful-environment

Jan 28, 2015 ... We think about bacteria as harmful, disease-causing, invisible creatures. But actually, only a few species are dangerous. The majority of ...

www.livestrong.com/article/29090-good-uses-bacteria

May 28, 2015 ... But not all bacteria is bad. In fact, some bacteria is necessary for us to live, eat, work and feel healthy. Helpful bacteria makes good use of itself ...

www.biotecharticles.com/Biology-Article/Beneficial-and-Harmful-Bacteria-312.html

Sep 10, 2013 ... Bacteria is the most useful microorganism in the environment and beneficial for human beings. But it also has some harmful effects on human ...

askabiologist.asu.edu/beneficial-bacteria

Bacteria are the most abundant form of life on the planet. They are found in most every environment, from Antarctic ice, to boiling hydrothermal vents, to inside ...