After the lecture notes for a particular day, there may be links to other sites, such as on-line articles, that include information related to the lecture topic. To access these sites, you may have to use Netscape, or an equivalent browser. These other sites contain graphics, and require you to use Netscape or an equivalent browser. The Digital Learning Center for Microbial Ecology at Michigan State University contains information about microbes in connection with their natural habitats, information about microbes that have recently appeared in news stories, and a list of resources for people interested in microbial ecology. The Tree of Life is an ambitious effort to collect information and pictures of all organisms and arrange the vast mass into phylogenetic order.
Microbes are still underrepresented at the site, but a few are there.
If you want to see how methanogens, or thiobacilli, or ciliates, or whatever, fit into the grand scheme of things, this is the place to look. This is a very slow site. The American Society of Microbiology maintains a list of resources for students which includes information on careers, fellowship opportunities, and a list of universities with microbiology programs.