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What is 5 kingdom classification? |
Criterion for classification: It is 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 saprobic absorption, Animalia (heterotrophs and ingestion) d) Life style: Producers (Plantae), Consumers (Animalia), Decomposers (Fungi) e) Phylogentic relationships: prokaryotes to eukaryotes, unicellular to multicellular organisms
All living things were lumped together into two kingdoms, namely plants and animals . Animals included every living thing that moved, ate, and grew to a certain size and stopped growing. Plants included every living thing that did not move or eat and that continued to grow throughout life. It became very difficult to group some living things into one or the other, so early in the past century the two kingdoms were expanded into five kingdoms: Protista (the single-celled eukaryotes); Fungi (fungus and related organisms); Plantae (the plants); Animalia (the animals); Monera (the prokaryotes). Many biologists now recognize six distinct kingdoms, dividing Monera into the Eubacteria and Archeobacteria. Kingdoms are divided into categories called phyla, each phylum is divided into classes, each class into orders, each order into families, each family into genera, and each genus into species. |