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Kingdom  [  Taxonomy ]

Dictionary of botanic terminology - index of names

  In old classification, a kingdom was the highest grouping (taxon) of similar organisms. Actually the top-level grouping of organisms in scientific classification is the domain or empire or superkingdom and kingdoms are at the second level.  
A kingdom contains one or more division or phyla (plural of phylum). A group of similar kingdom.forms a domain.

All the kingdoms that comprise the complex life forms Animalia (animals), Plantae (plants), and fungi, which are mostly multicellular, as well as various other groups of unicellular beings called protists (protozoans and eucaryotic algae), belong to the domain eukaryotes. The eukaryotes share a common origin, and are often treated formally as a domain.



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