Glaucophytes are microscopic varieties of these or
Glaucophytes are microscopic varieties of these organisms, and a lichen is composed of a fungus and one of them. They are the only type of organism that contains chlorophyll C, which allows them to undergo photosynthesis despite not being plants. Cyanobacteria are sometimes referred to as the "blue-green" type of these organisms, and a red tide is an example of one of their namesake blooms during which they rapidly proliferate. For 10 points, name this class of aquatic protists that includes chlorophyta, dinoflagellata, and diatoms.
Glaucophytes are microscopic varieties of these organisms, and a lichen is composed of a fungus and one of them.