Disadvantages of kingdom Animalia and plantae
Answers
Disadvantages of Five Kingdom Classification
The shortcomings of five kingdom classification are:
Unicellular algae are kept in kingdom Protista, whereas algae like multicelluar organisms are ketp in kingdom Plantae. But similar organisms must be put together.
There is diversity in kingdom Protista. Dissimilar organisms must not be kept in same group.
All organisms other than moneran shows that they are polyphyletic in origin. It is a great shortcoming of five kingdom classification.
There is no place for viruses in five kingdom classification.
Similar organisms are kept far from each other. For example, unicellular and multi cellular algae.
Answer:
The five kingdom classification is based on the following important criteria:
Complexity of the cell structure: Prokaryotic or Eukaryotic
Complexity of the organisms body : Unicellular or Multi cellular
Mode of obtaining nutrition : Autotrophs or Heterotrophs
Lifestyle
Phylogenetic relationships.
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