Stramenopila II: Red Algae
Red b/c of phycoerythrin, a cyanobacteria pigment (origin of chloroplasts!)
Very complex life cycle (3 generations)
mostly marine, only 200 of 7000 species in freshwater; from unicellular to complex seaweeds
Economic importance: agar from cell wall, thickener in food processing, cosmetica, sushi rap