Unicellular organisms

Discovery Science: Earth – Autotrophic single-celled Organisms

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Earth Science: Single-celled Organisms – Autotrophic single-celled Organisms In contrast to heterotrophic single-celled organisms, autotrophic single- celled organisms use the process of photosynthesis to produce their own organic molecules of nutrition from inorganic molecules. Diatoms are a typical example of this group. They account for a major part of the world’s plankton and are therefore … Read more

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

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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