International Society for Microbial Ecology
The International Society for Microbial Ecology answers the question "What is microbial ecology?" on an education-friendly site that offers topics on ecology, evolution and phytoremediation; a feature on "the microbe of the month"; and links for further info on microbes and ecology.
Tree of Life
Use this searchable site to learn about different species, from archaea to mammals, and discover how they fit into the evolutionary tree of life.