Relier Pairs Marine Plants and Algae VocabVersion en ligne Vocab review for Marine Plants and Algae par Kristin Zimmerman 1 group of photosynthetic eukaryotic, autotrophic, plant-like organisms, but lack plant structures such as leaves, roots, flowers, and seeds 2 species of brown algae seaweed often found referred to as Sargassum 3 Dinoflagellate found in fresh and marine waters with two flagella often causes red tide 4 trees adapted for growing in shallow sea water 5 algae that grow on the sediment at the bottom of a body of water 6 Single celled yellow-green algae with cell wall of silica (one half of the shell fits over the other half like a lid over a box). 7 Organism that is plant and animal like: with flagella, and able to perform photosynthesis. 8 Gonyaulax and Gymnodinium are known to cause this condition 9 Tiny autotrophic organisms that float in the ocean and serve as the foundation of the marine food chain. Examples include diatoms and dinoflagellates 10 Marine or freshwater disk shaped dinoflagellates known to cause algal blooms Gymnodium benthic algae Dinoflagellates Gonyaulax Algae Phytoplankton