Before genetic evidence became available, which of the following features of green algae prompted scientists to believe that land plants evolved from an ancestral green algae? a. presence of cellulose cell walls, chlorophyll a and b, use of starch as storage carbohydrate b. presence of chloroplasts, mitochondria, use of both sexual and asexual reproduction c. presence of a zygotic life cycle with a dominant gametophyte d. branching pattern of filaments and multicellular body