Protista+-+O

Paramecium Protista~ Oxygen

A protista is a single-celled organism. It also has a nucleus. Examples of Protista are Amoeba,Euglena,and Paramecium. It also appers to be both a plant and animal cell. The primary difference between Protistas and Monerans is that Protistas are more complex,having a nucleus. Biologists beliveve that ancient protists were the ancestors of plants and animals.

Amoeba