In this article we will discuss about the evolutionary trends in the development of plant body in the chlorophyta. i. Evolution of Sexuality in the Chlorophyta: The Chlorophyta represent an evolutionary series in which the gametic union became most firmly established even in the most primitive forms and persists among the highest members of the series. The evolution in sexuality [...]
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 [...]