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Woese proposed separating bacteria and archaea into separate domains because they have fundamental genetic and biochemical differences that are more substantial than differences between other groups classified at the same hierarchical level. This classification reflects the evolutionary distance between these two groups and their distinctiveness in terms of genetic information processing and cell structure.

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1y ago

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Why is bacteria and archaea placed in separate kingdoms?

They are placed in separate Domains on basis of presence and absence of peptidoglycan .


How many bacteria kingdoms are there today?

There are two kingdoms of bacteria, Eubacteria and Archaea.


What are the three domains of life and their kingdoms?

The domains are Archaea, Bacteria, and Eukarya. The domain Archaea has one kingdom: Archaea. The domain Bacteria has one kingdom: Bacteria. The domain Eukarya has four kingdoms: Protists, Fungi, Plants, and Animals. There are a total of 3 domains and 6 kingdoms.


What is one of the criteria for classifying oraganisms into kingdoms?

One criteria for classifying organisms into kingdoms is based on their cell type. Organisms are categorized into prokaryotes (lacking a nucleus) or eukaryotes (having a nucleus), which helps differentiate between domains like Bacteria, Archaea, and Eukarya.


The largest most general groups for classifying organisms?

The largest and most general groups for classifying organisms are domains, followed by kingdoms. Domains include Bacteria, Archaea, and Eukarya, while kingdoms include classifications like Animalia, Plantae, Fungi, Protista, and Bacteria (or Monera in some classification systems).


What taxonomic group includes kingdoms and all other levels of taxonomy?

The highest taxonomic group that includes kingdoms and all other levels of taxonomy is the domain. The three domains of life are Archaea, Bacteria, and Eukarya. Kingdoms belong to the domain Eukarya, while Archaea and Bacteria represent separate domains.


What are the microscopic kingdoms?

Bacteria, Archaea, and Protists, and some Fungi.


What are the kingdoms in which organisms are classified?

The six kingdoms are:Animalia, Plantae, Fungi, Archaea, Protista, and bacteria


How many domains and kingdoms are in the modern system of taxonomy?

There are three domains (Bacteria, Archaea, Eukarya) and six kingdoms (Animalia, Plantae, Fungi, Protista, Archaea, Bacteria) in the modern system of taxonomy.


Are archaebacyteria and euacteria in the same kingdom?

Archaebacteria and eubacteria are two different domains.Domains are the highest (widest) levels of the taxonomic hierarchy, kingdoms come below this level so be careful not to refer to them like this.


What are the six kingdoms which domain so they belong?

The six kingdoms are Animalia (Domain Eukarya), Plantae (Domain Eukarya), Fungi (Domain Eukarya), Protista (Domain Eukarya), Archaea (Domain Archaea), and Bacteria (Domain Bacteria).


What two kingdoms do scientists divide bacteria in to?

Scientists divide bacteria into two kingdoms: Bacteria (also known as Eubacteria) and Archaea. These two kingdoms are based on differences in their genetic and biochemical makeup.