http://www.ck12.org Chapter 1. Human Biology
- What link do scientists believe may exist between gut bacteria and disease? Why is this an area of interest for
scientists?
- Our Microbes, Ourselvesat http://www.youtube.com/watch?v=zPO8-M_rcUo (3:07)
MEDIA
Click image to the left for more content.
- How may clean environments affect the microbes in our bodies?
- How do gut microbes compare between species?
- What is the hygiene hypothesis?
Review
- Identify two roles of helpful bacteria in the large intestine.
- When you are sick, you might be given an antibiotic to kill harmful bacteria. Antibiotics cannot distinguish
between "good" and "bad" bacteria, however. Why might this be a problem?