In this article we will discuss about the General Characters and Classification of Phylum Arthropods. General Characteristics of Phylum Arthropods: Some of the general characters of Phylum Arthropoda are listed below: 1. Habitat: They occur on land, in the soil, in sea water, in fresh water and in the bodies of animals and plants as parasites. 2. Body Form: It [...]
In this article we will discuss about the General Characters and Classification of Class Amphibian– The Vertebrates with Dual Life. General Characteristics of Class Amphibians: Some of the general characters of class amphibian are listed below: 1. They are the first cold blooded vertebrates from evolution point of view which came to the land. Class Amphibian includes about 3,000 species. [...]
The following points highlight the two common examples of Cyanobacteria. The examples are: 1. Spirulina and 2. Nostoc. Spirulina: It is a spirally coiled free floating filamentous blue green alga or cyanobacterium of up to 0.5 mm length. The trachoma's appear to be unicellular but staining and electron microscopy has shown the presence of thin transverse walls. The ends are [...]