Explain the basis for grouping organisms into five kingdoms



Basis for grouping organism into five kingdom is as follows:

  1. On the basis of nature of organisation of nucleu
    - Prokaryotic vs Eukaryotic structure of cells.
  2. On the number of cells
    - Unicellular versus Multicellular organisation.
  3. On the basis of nutrition

The three different modes of nutrition:

  • Photosynthesis(Plants)
  • Absorption from the environment(fungi)
  • Ingestion(Animals)


Note: One group of ‘organisms’ that does not fit into any classification is ‘ Viruses’. Viruses are extremely small particles. They donot have a cellular structure and can reproduce by invading living cells.

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CA Maninder Singh is a Chartered Accountant for the past 14 years and a teacher from the past 18 years. He teaches Science, Economics, Accounting and English at Teachoo