Virus: Is it a Kingdom or Not?

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In summary, the five basic kingdoms in Taxonomy are Monera, Animalia, Protista, Plant, and Fungi. However, viruses do not fit into this classification system as they are much smaller and less complex than cells. They do not have the characteristics of living organisms and therefore are not placed in any of the five kingdoms. Instead, viruses have their own classification system that is still being studied and understood.
  • #1
Dagenais
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So, there are 5 basic Kingdoms in Taxonomy that include Monera, Animalia, Protista, Plant, and Fungi right?

So, where does the virus fight in? Monera? Or is it considered non-living?
 
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  • #2
As far as I know, there is no placement of viruses in the five kingdom system.

This site gives the following explanation:

http://waynesword.palomar.edu/trfeb98.htm

"Viruses do not belong to the above 5 kingdoms of life. They are much smaller and much less complex than cells. They are macromolecular units composed of DNA or RNA surrounded by an outer protein shell. They have no membrane-bound organelles, no ribosomes (organelle site of protein synthesis), no cytoplasm (living contents of a cell), and no source of energy production of their own. They do not exhibit autopoiesis--i.e. they do not have the self-maintenance metabolic reactions of living systems. Viruses lack cellular respiration, ATP-production, gas exchange, etc."
 
  • #3
Dagenais said:
So, there are 5 basic Kingdoms in Taxonomy that include Monera, Animalia, Protista, Plant, and Fungi right?

So, where does the virus fight in? Monera? Or is it considered non-living?

The kingdoms classification is outdated due to new reach done. Viruse classification is very complex but is evolutiary parrallelle to the other domains. Usually viruses have their tree of evolution.
 
  • #4
More infortaion about viruses classification
http://www.ncbi.nlm.nih.gov/ICTV/
 
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Related to Virus: Is it a Kingdom or Not?

1. What is a virus?

A virus is a microscopic infectious agent that can only replicate inside the cells of living organisms. It is made up of genetic material, either DNA or RNA, surrounded by a protein coat.

2. Is a virus considered a living organism?

This is a debated topic among scientists, but most do not consider viruses to be living organisms. While they have genetic material and can replicate, they lack many of the characteristics of living organisms, such as the ability to metabolize and maintain homeostasis.

3. Why is there confusion about whether a virus is a kingdom or not?

Traditionally, there are five kingdoms of living organisms: Monera, Protista, Fungi, Plantae, and Animalia. Viruses do not fit into any of these categories, leading to confusion about their classification. Additionally, there is ongoing debate about whether viruses should be considered living organisms at all.

4. What is the current classification of viruses?

Viruses are classified in a separate category called "non-living infectious agents." They are not considered part of any kingdom or domain, but instead are classified based on their structure, genetic material, and method of replication.

5. Can viruses evolve?

Yes, viruses can evolve through mutations and recombination of genetic material. This is why new viruses can emerge and why vaccines for viruses may need to be updated over time.

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