Discovery Science: Earth – Microorganisms – Heterotrophic Single-celled Organisms

Earth Science: Microorganisms – Single-celled Organisms Protists (Protista) are a group of eukaryotes, mostly single-celled organisms, which are difficult to classify as animals, plants, or fungi. All protists have a nucleus and cell organelles as typically seen in other organisms. Species of this group are often classified according to their feeding mechanisms. However, this classification … Read more