This is a bundle or set of 10 mystery challenges. Students identify bacterium and viruses, by clues, and photos, etc. It is a dynamic way to take a convenient quick look at some of the microbes that surround our lives! Answer keys are provided. This is good for a pathology class, medical school, AP BIo, Biology, as well as a health class. Use it for a graded homework assignment, too. Use it for an internet research activity. Knowledge is power! There is an interesting quote by Isaac Asimov on