Protists can usually be seen only with a microscope.

Protists are eukaryotic. This means they have a nucleus and cell membrane.

Some protists make their own food, and others do not.

Protists can look like animals, plants, or fungi.

Protists must have moist environments to survive.

Protists can be multi-cellular or can have just one cell.

Each cell in a protist does have a nucleus.

Algae (like seaweed) is a type of protist.

Protists can be found in salt water and in fresh water.

Protists produce a lot of oxygen.

Protists can live on the bark of trees.

Want to see protists in action? Be sure to check out the movies on this site:  http://www.funsci.com/fun3_en/protists/exhibition.htm.

To learn more about protists, visit this site:  http://www.lanesville.k12.in.us/lcsyellowpages/Tickit/Carl/protists.html.

Protist photos used with permission from http://www.bch.umontreal.ca/protists/protists.html.