Bacteria: The Good, The Bad, and Getting Rid of the Ugly

by: Jodi Wheeler-Toppen

Most students think about bacteria primarily in the context of disease. However, bacteria are the most numerous organisms on Earth, and only a fraction of them cause disease. The exploration in this chapter—growing bacteria from the environment—is always popular with students. The reading reinforces their experience culturing bacteria, introduces the cell organization of bacteria, and clarifies that bacteria can be both helpful and harmful to humans.

Grade Levels

Middle School


Instructional Materials Interdisciplinary Life Science Literacy Teaching Strategies


Type Book ChapterPub Date 2/1/2010Stock # PB275X_14

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