In this article we will discuss about the Five Kingdom Classification of Organisms (From 1969 to 1990):- 1. Criteria for Delimiting Kingdoms 2. Monera— Kingdom of Prokaryotes 3. Protista— Kingdom of Unicellular Eukaryotes 4. Fungi— Kingdom of Multicellular Decomposers 5. Plantae — Kingdom of Multicellular Producers or Metaphyta 6. Animalia — Kingdom of Multicellular Consumers or Metazoa 7. Advantages of [...]
The following points highlight the four main Components of Viruses. The components are: 1. Nucleoid 2. Capsid 3. Envelope 4. Enzymes. Component # 1. Nucleoid: It represents the viral chromosome. Nucleoid or viral chromosome is made of a single molecule of nucleic acid. It may be linear or circular with various degrees of coiling. Nucleoid is the infective part of [...]
In this article we will discuss about the Natural System of Classifying Organisms. It is a system of classification which takes into consideration comparable study of a number of characters so as to bring out natural similarities and dissimilarities and hence natural relationships among the organisms. The system employs those characters which are relatively constant. They include morphological characters, anatomical [...]