Question

Advantages and disadvantages of three kingdom classification

Answer 1

Three advantages of Kingdom Classification:

1) The separation of prokaryotes in a separate kingdom of Monera is a wise step because procaryotes differ from all other organisms in their genetic, cellular, reproductive and physical including physiological Organisation.

2) There were many transitional or intermediate forms which were present in the unicellular eucaryotes which had been included both amongst the plants and the animals. Separation of every unicellular eucaryotes into kingdom Protista has completely removed this anomaly.

3) Kingdom Fungi have never been related to plants. They have their own biochemical, physical and structural Organisation which separates them from Kingdom Plantae. Separation of Fungi into their own separate kingdom was actually a long overdue.

Three disadvantages of Kingdom Classification :

1) Each specific group has an immense amount of diversity which is very difficult to keep it together in one same classification. For an example, Monera and Protista contain both the distinctive features of having walled and wall-less organisms, photosynthetic and nonphotosynthetic organisms, unicellular and filamentous or mycelial organisms.

2) Viruses, in particular, have not been included into this system of classification because of the deviation between the living and the nonliving organisms.

3)A similar distinction between unicellular and multicellular organisms is not possible in this case of algae. It is because of this that the unicellular green algae have not been included into the kingdom of Protista by Whittaker.

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Answer 2

Answer:

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