FIG. 27.14 Archaeplastids. (a) Archaeplastids are a photosynthetic group descended from the protist that acquired photosynthesis from an endosymbiotic cyanobacterium. They include the (b) glaucocystophytes, (c) red algae, and (d) green algae and their descendants, the land plants.
Photo sources: b. Jerome Pickett-