In this article we will discuss about the phylogeny and interrelationship of cyanophyta. There is no positive evidence to indicate the phylogenetic origin of the division Cyanophyta. There are, however, certain intriguing characters which quite often give plenty of scope for speculation. The complete absence of flagellate stages might lead one to assume the origin of the Cyanophyta from unicellular [...]
In this article we will discuss about:- 1. Distribution of Cyanophyta 2. Organisation of Cyanophyta 3. Reproduction. Distribution of Cyanophyta: The division Cyanophyta or Myxophyta, commonly known as blue-green algae, consists of a single class Cyanophyceae or Myxophyceae or Schizophyceae whose plants are extremely simple in several respects. Members of this division enjoy a wide range of distribution in all [...]
In this article we will discuss about:- 1. Occurrence of Microcystis 2. Thallus Organisation of Microcystis 3. Reproduction. Occurrence of Microcystis: Microcystis (Gr. Micro = small; kystis = bladder) is a colonial fresh water alga. It is represented by 18 species. All species are free floating, and form extensive water blooms. This alga secretes poisonous substances. These substances destruct the [...]