Division Rhodophyta: Red Algae
This type of algae contains single-celled forms as well as plants that grow as filaments, branching structures and broad flat plates or ruffles. All of this type of algae lives attached to a surface such as a rock, coral reef, animal shell or larger algae. In red algae, no flagellated cells occur. Red algae have chlorophyll a and phycobilins and carotenoids are its accessory pigments. It stores food with a starch-like polymer. It resides in tropical coral reefs and plays an important role in reef building. …