In this article we will discuss about the Two Kingdom Classification of Organisms (Before 1969). In the past all the organisms had been divided into two groups, plants and animals, mainly on the basis of presence or absence of cell wall. This was also done by Linnaeus (the father of taxonomy). He founded two kingdoms— Kingdom Plantae and Kingdom Animalia. [...]
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 [...]
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 [...]