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Decomposers, such as certain types of bacteria, break down dead organisms by breaking down organic matter into simpler substances. This process helps recycle nutrients back into the ecosystem for use by other living organisms. Examples of bacteria involved in decomposition include species of Bacillus and Pseudomonas.
The five kingdoms of living organisms are Animalia (animals), Plantae (plants), Fungi (fungi), Protista (protists), and Monera (bacteria). This classification system is based on the characteristics and structures of organisms.
Kingdom Phylum class order family genus species
In biological taxonomy, a domain is the highest taxonomic rank of organisms, higher than a kingdom. Corals belong to domain Eukarya, kingdom Animalia, and phylum CnidariaCoral.
In the years around 1980, there was an emphasis on phylogeny and redefining the kingdoms to be monophyletic groups, groups made up of relatively closely related organisms. The Animalia, Plantae, and Fungi were generally reduced to core groups of closely related forms, and the others placed into the Protista. Based on RNA studies, Carl Woese divided the prokaryotes (Kingdom Monera) into two kingdoms, called Eubacteria and Archaebacteria. Carl Woese attempted to establish a Three Primary Kingdom (or Urkingdom) system in which Plants, Animals, Protista, and Fungi were lumped into one primary kingdom of all eukaryotes. The Eubacteria and Archaebacteria made up the other two urkingdoms. The initial use of "six Kingdom systems" represents a blending of the classic Five Kingdom system and Woese's Three Kingdom system. Such six Kingdom systems have become standard in many works. (Wikipedia) For the source and more detailed information concerning your request, click on the related links section (Wikipedia) indicated directly below this answer section.
The oldest known and simplest organisms are part of the Archaebacteria kingdom. Members of this kingdom are one celled organisms and are also the most ancient organisms.
Monera Kingdom
Archaebacteria
Archaebacteria
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Bath eubacteria and archaebacteria are prokaryote.
Monera is a kingdom that contains unicellular life. It is split into the two domains of Archaea and Bacteria.
Every kingdom, except archaebacteria and eubacteria, are eukaryotic.
Archaebacteria is the kingdom that autotrophic multicellular organisms belong to.
In the five kingdom classification scheme archaea are placed in their own kingdom called archaea. This is a kingdom of single celled organisms.
One-celled organisms can be found in both the Kingdom Protista and the Kingdom Monera. Protozoa and certain types of algae are common examples found in Kingdom Protista, while bacteria are a predominant example in Kingdom Monera.
The common name for the Archaebacteria kingdom is archaea.