In this article we will discuss about:- 1. Introduction to Cyanophyceae 2. Characteristics of Cyanophyceae 3. Occurrence 4. Thallus Organisation 5. Reproduction 6. Origin 7. Affinities 8. Economic Importance. Introduction to Cyanophyceae: It is a primitive group of algae, consists of 150 genera and about 2,500 species. In India, the division is represented by 98 genera and about 833 species. [...]
In this article we will discuss about the cell structure of cyanophyceae with the help of diagrams. The cyanophycean cells are prokaryotic in nature, which rarely exceeds 10p in diameter. Each cell consists of outer covering of cell envelop which surrounds the membrane covered protoplast (Fig. 3.24C). 1. Envelop: It consists of outer mucilaginous sheath and inner cell wall. a. [...]
In this article we will discuss about:- 1. Description of Rhodophyceae 2. Characteristics of Rhodophyceae 3. Classification. Description of Rhodophyceae (Red Algae): It is a large group of algae consisting of about 831 genera and over 5;250 species. They are commonly known as red algae due to the presence of a water soluble red pigment, r- phycoerythrin. The r-phycoerythrin is, [...]