Pac-Man, the open-mouthed face of the most successful arcade game ever, is much more well-known than any of the one-celled organisms called protists, at least among people over 30. But the first study ...

Eating and being eaten is a normal process in nature. These predator–prey dynamics help to stabilize ecosystems. It ensures that individual species do not become too abundant, controls their ...

The Protist Information Server serves up a plethora of protist (and other microorganism) images. In fact, there are over 81,000 of them on the website, and they represent over 3,000 species. Site ...