Explanation

In brown algae asexual reproduction takes place by the formation of motile zoospores and non-motile neutral spores. The zoospores are usually produced inside the zoosporangia. They are pyriform, biflagellate and have chromatophores, contractile vacuoles and eye spot. They have heterokont flagellations, i.e., possess two unequal flagella, one whiplash type and the other tinsel-shaped