Question

What are criteria for five kingdom classification proposed by r.h whittaker?

Answer 1

Criterion for classification: Proposed by  R.H Whittaker (1969)

a) Complexity of cell structure: prokaryotic and Eukaryotic 

b) Complexity of organisms: Unicellular or multicellular 

c) Mode of nutrition: Plantae (autotrophs), Fungi (heterotrophs and  absorption, Animalia (heterotrophs and ingestion) 

d) Life style: Producers (Plantae), Consumers (Animalia), Decomposers (Fungi)

Answer 2

The R.H. Whittaker proposed the five kindgom classification based on the following criteria.

Explanation:

• He proposed Monera, Fungi, Protista, Animalia and Plantae based on the cell structure, mode of nutrition, thallus organisation, phylogenetic relationships and reproduction.
• The cell structure can be of two types eukaryotic cell or prokaryotic cell.
• The mode of nutrition can be autotrophic or heterotrophic.
• The thallus organisation can be simple or complex.
• The reproduction can be asexual or sexual or both.
• The phylogenetic relationship will include the similar features in different kind of organisms.

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