Question

1. brown algae contain brown pigments and include (click to select)options:(click to select)spirogyravolvoxbossielamacrocystis

Explanation:

Spirogyra and Volvox are green algae, Bossiela is a cyanobacterium, while Macrocystis is a large brown kelp, which belongs to brown algae and contains brown pigments like fucoxanthin.

Answer:

Macrocystis