1. Go to a search engine and type in “Martian Microbes.” Look for papers and information that support or reject the idea that fossil structures discovered in an ancient meteor from Mars could be bacteria. What are some of the reasons that microbiologists are skeptical of this possibility?
2. Search the Internet for information on nanobacteria. Give convincing reasons why these are or are not real organisms.
3. Go to the Cells Alive webite, http://www.cellsalive.com. Click on “Microbiology” and go to the “Dividing Bacteria” and “Bacteria Motility” option to observe short clips on these topics.
