Bacteria are simple organisms that consists of one cell. Most bacteria can only be seen only through a microscope.[1] Not all bacteria are harmful. Bacteria, like the ones in our body that help break down food, and fight infections are helpful, and do not cause out body harm, unlike bacteria that cause you to get a cold, etc.
How does bacteria affect an algal bloom?
References
[1]Hall, Faith.http://66.114.0.13:9797/MuseSessionID=573157b11640fc9915801a958828b72/MuseHost=www.worldbookonline.com/MusePath/wb/article?id=ar041420&st=bacteria. 19, Nov., 2008
[2]Wetzel,Andrew. http://www.hubtesting.net/yahoo_site_admin/assets/images/bacteria.94120838_std.jpg 19,Nov,2008
[3]Wetzel,Andrew. http://66.114.0.13:9797/MuseSessionID=b6117918592af577ff51ee39475ffa/MuseHost=www.worldbookonline.com/MusePath/wb/extmedia?id=ar041420&st=bacteria&em=pc200557 19, Nov,2008