Question

Who classified organism into five kingdoms? What are the five kingdoms?

Answer 1

R. H. Whittaker proposed the five kingdom classification. The five kingdom classification are- Monera, Protista, Fungi, Plantae and Animalia. He divided all living organisms into five kingdoms based on the following features:

• Complexity of cell structures
• Complexity of body structures
• Mode of obtaining nutrition
• Ecological lifestyle
• Phylogenetic relationship

The five kingdoms proposed by him were:

Kingdom Monera which includes prokaryotes.

Kingdom Protista which includes unicellular eukaryotes.

Kingdom Fungi which includes fungi.

Kingdom Plantae which includes multicellular eukaryotic plants.

Kingdom Animalia which includes multicellular animals.

Figure : 5 Kingdom