EVERYDAY SCIENCE

Detailed explanation-1: -Thus this stage of vaucheria is also called Gongrosira stage. Ulothrix is a member of filamentous green algae, generally found in fresh and marine water. Both sexual (by biflagellate gametes) and asexual reproduction (by aplanospores and zoospores) occurs in Ulothrix.

Detailed explanation-2: -Answer: Vaucheria. Explanation: Vaucheria is a species of algae, which reproduces by asexual method of reproduction.

Detailed explanation-3: -Vaucheria species are characterized by multinucleate tubular branches that lack cross walls except when associated with reproductive organs or when injured. Food is stored as oil globules. Asexual reproduction is by motile multiflagellate zoospores and nonmotile aplanospores. Sexual reproduction also occurs.

Detailed explanation-4: -The akinetes are small, multinucleate and thick-walled segments that are also known as cysts or hypnospores. Since the segmented filament resembles the genus of Gongrosira algae, this stage is also known as the Gongrosira stage.

Detailed explanation-5: -Salient Features of Vaucheria The plant body is filamentous, coenocytic, siphonaceous, and branched. Filaments are without septation (not divided into cell walls). The plant body is attached to the substratum by colorless branched rhizoids.