Order: Volvocales

General characteristics of Volvocales

• Plant body is unbranched filamentous, but in ulvaceae it is parenchymatous or foliaceous.
• Cell are uninucleate and contain chloroplast of different types like C shaped,  axial or parital etc.
• These are  found in fresh water. e. g. Ulothrix some are grown in brackish water marine water and also on soil.
• Plant body is unicellular and multicellular  colonial in habitat.
• They reproduce both sexually and asexually.  Asexual reproduction by zoospore, aplanospore,  hypnospore etc. , Sexual by isogamy, anisogamy, oogamy etc.

Volvox (Rolling Alga)