Microscopy UK
Microscopy Uk: A Virtual Pond Dip
In this site, you will be introduced to some of the more common organisms found in a pond. Contains a thorough guide to small and microscopic pond life with links to other descriptive sources.
Utah Education Network
Uen: Micro Organisms Don't Drink That Water
If you are looking for an introduction to protozoans and algae, this is a good place to start. You'll view some images of them and explore a few of their basic adaptations for survival.
Tree of Life Project
Tree of Life Web Project: Flagellates
Very good, in-depth overview of flagellates. Includes a chart listing all the groups of flagellates.
Other
Microbe World: Experiments
In this hands on site, students will have the opportunity to be amateur microbiologists by performing a number of experiments. Supplies needed can found in the home or at a nearby store.
Michigan State University
Michigan State University: Digital Learning Center for Microbial Ecology: The Curious Microbe
This interesting site focuses on unusual microbes that inhabit an extreme environmental niche on our planet. Individual articles are written in a tone suitable for general audience.
Other
The Animals Page
Provides an easy to understand overview of animals from protozoa and echinoderms to insects, mammals, birds, and fish.