Is Ulothrix Unicellular or Multicellular?

They are Eukaryotic and multicellular because the cells have specific functions as the lowermost cell serves as holdfast and it doesn't have chloroplast, and the apical cell is dome-shaped. The genus includes: Ulothrix aequalis Kützing.

Is Ulothrix multicellular algae?

Chlamydomonas, Volvox and Ulothrix are the multicellular algae." ... Algae are usually aquatic, either marine or fresh water. Only a few algae occur in moist terrestrial habitats like tree trunks, wet rocks, moist soil, etc. palnt body is thallus (a form without any differentiation into root, stem ad leaves.)

Is Ulothrix a phaeophyceae?

Hint: Ulothrix belongs to class chlorophyceae. This is a freshwater algae growing on substratum like rocks and sand particles etc. They are usually green due to the dominance of pigments chlorophyll a and b.