Question: are all photosynthetic protists algae?
Answer: Examples of protists include algae, amoebas, euglena, plasmodium, and slime molds. Protists that are capable of photosynthesis include various types of algae, diatoms, dinoflagellates, and euglena. These organisms are often unicellular but can form colonies. ... Photosynthetic protists are considered plant-like protists.