Protists are one-celled organisms that feed on bacteria, dead matter and even other protists. Some use flagella, which are whip like threads, to push themselves around. Most of these one-celled organisms live in wet places, such as oceans,lakes, ponds, rivers and streams. Discover more here: http://easyscienceforkids.com/protists/
Test your kids on how well they know these one-celled organisms, click here.