Brown algae exhibit a wide variety of reproductive
methods, ranging from simple, asexual cell division to the complicated
process of alternation of generations. When doing sexual reproduction,
brown algae practice gametic meiosis, the process by which diploid parents
directly produce gametes by gametic meiosis and thereby skip having a
haploid parent phase.
Being at the base of the food chain, algae in general are important primary
producers. The brown algae are eaten by primary consumers, which are in
turn eaten by larger organisms.