Name two genera of desmids. Name two important commercial products derived from red algae. Hydrodictyon produces coenocytic cells in its net-like thallus. Most common life cycle in the green algae is the haploid type. Nucules and globules are sex organs of stoneworts.
Most diatoms are diploid.
The Conchocelis stage is found in the life cycle of Porphyra . The haptonema is a structure found in green algae. Phacus is a member of the Division Euglenophyta. Unarmored dinoflagellates are so termed because they have no cell wall at all. Algin and alginates are derived from red algae.