The Xanthophyta or Heterokontae are commonly known as yellow-green algae include only one class Xanthophyceae. This division has close relationship with the Ghlorophyta comprising both marine and fresh-water forms. Certain species grow on drying mud, on trunk of trees, on damp walls, and similar other habitat. There are varied forms of vegetative body ranging from unicellular coccoid, siphonaceous to filamentous [...]
In this article we will discuss about:- 1. General Features of Chlorophyta 2. Distribution of Chlorophyta 3. Plant Body 4. Reproduction. General Features of Chlorophyta: Chlorophyta is the largest of the eight divisions of algae. Members of the Chlorophyta, or grass-green algae are similar to higher plants being characterized by a well-defined nucleus, photosynthetic pigments localized in chloroplastids in which [...]
The following points highlight the three families under which volvocales has been classified. The families are:- 1. Chlamtdomonadaceae 2. Sphaerellaceae 3. Volvocaceae. Family # 1. Chlamtdomonadaceae: This family includes algae possessing unicellular biflagellate vegetative cells. Asexual reproduction is by zoospores and hypnospores and sexual reproduction ranges from—isogamy, anisogamy to simple and advanced oogamy. Genus Chlamydomonas: The genus Chlamydomonas represents one [...]