Bacteria have an unlimited life span, because they reproduce asexually and don't go through a normal life cycle. Discover what can kill bacteria, such as a lack of nutrients, too much UV light or antibiotics, withhelp from a science teacher and field biologist in this free video on bacteria and biology. Expert: Brian Erickson Contact: Bio: Brian Erickson is a tutor in math and science, as well as a field biologist. Filmmaker: Todd Green


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