Problem: You read about a species of Phaeophycean algae that forms new blades at an apical meristem, has a hapterous perennial holdfast and multiple single pneumatocysts, and has an alternation of generations lifecycle that is strongly heteromorphic. This alga is most likely from the genus: a. Sargassum b. Fucus C. Macrocystis d. Zonaria e. Stephanocystis f Nereocystis