Dinoflagellates are unicellular organisms that are photosynthetic, some of them can ingest other particles. They have two flagella that allow them to move, and reproduce by cellular division.
Dinoflagellates are single-celled organisms that live in lakes, rivers, and oceans. Some species that live in the ocean flash on contact. This dinoflagellate model times life size!) can be seen in Creatures of Light.
Bronn’s Klassen und Ordnungen des Thier-Reichs : wissenschaftlich dargestellt in Wort und Bild Scan of 2 d images in the public domain believed to be free to use without restriction in the US.