The chloroplasts of all of the following are thought to be derived from ancestral red algae, except those of green algae. diatoms. brown algae. dinoflagellates.
Chloroplasts are organelles that conduct the photosynthetic pigments. and capture the energy from the sunlight, after which they convert it and store it.
Most of the cyanobacteria containing the blue-green algae contain these type of chloroplasts, the diatoms are being 2 to 200 meters in length and have yellowish-brown membranes that contain chloroplasts they have a ribbon-like a spiral around the cells.