is a domain of life?
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According to this system, the tree of life consists of three domains: Archaea, Bacteria, and Eukarya. The first two are all prokaryotic microorganisms, or single-celled organisms whose cells have no nucleus.
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When used in relation to human development, the word "domain" refers to specific aspects of growth and change. The major domains of development are physical, cognitive, language, and social-emotional. Children often experience a significant and obvious change in one domain at a time.
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The broadcast (most general) level of classification for living things. three domains- Eukarya, Bacteria, Archaea. we belong in the domain Eukarya. The second most general category of the eight levels of classification.
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Life is a biological concept regarding the characteristics, state, or mode that separates a living thing from dead matter. The word itself may refer to a living being or ongoing processes of which living things are a part of. ... A lifespan is the average length of life in a species.
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The Classification of Life The most common classification creates four kingdoms in this domain: Protista, Fungi, Plantae, and Animalia. These domains are further divided into a lot of smaller categories: phyla (singular: phylum), classes, orders, families, genera (singular: genus), and species.
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This phylogeny (evolutionary tree) depicts the evolutionary relationships between the three domains of life: Eukarya, Archaea, and Bacteria. The two prokaryotic domains (Archaea and Bacteria) each comprise several smaller taxonomic groupings.
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Both are composed of prokaryotic cells, which are cells without a nucleus. In addition, both domains are composed of species that reproduce asexually (asexual reproduction) by dividing in two. Both domains also have species with cells surrounded by a cell wall, however, the cell walls are made of different materials.
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The domain with the most familiar organisms is the Eukaryota. This domain has organisms with nucleated cells. They range from single celled organisms such as Euglena and paramecia to multi-cellular fungi, plants and animals.
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All prokaryotes are single-celled organisms, but so are many eukaryotes. In fact, the vast majority of organisms on earth are single-celled, or “unicellular.” Prokaryotes are split into two taxonomic domains: Bacteria and Archaea.
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The difference between Domain and Sphere. When used as nouns, domain means a geographic area owned or controlled by a single person or organization, whereas sphere means a regular three-dimensional object in which every cross-section is a circle.
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Like bacteria, organisms in domain Archaea are prokaryotic and unicellular. Superficially, they look a lot like bacteria, and many biologists confused them as bacteria until a few decades ago.
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['Domain: Bacteria.', 'These are prokaryotes. ... ', 'The cell walls of bacteria; unlike the domains of Archaea and Eukarya, contain peptidoglycan.', 'Mode of nutrition: autotrophs; synthesize their own food, or heterotrophs; most bacterial species are heterotrophs and this means they get their food from organic matter.']
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The three domains include: Archaea - oldest known domain, ancient forms of bacteria. Bacteria - all other bacteria that are not included in the Archaea domain. Eukarya - all the organisms that are eukaryotic or contain membrane-bound organelles and nuclei.
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The five kingdoms still exist. It's just that they've been reclassified under three domains: Archae, Bacteria, and Eukaryota. Basically, the domains are classified by cell structure; the Eukaryotes have nucleuses and membrane-bound organelles, while Archae and Bacteria don't but vary from each other in some other way.
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The domains Bacteria and Archaea are the ones containing prokaryotic organisms. The Archaea are prokaryotes that inhabit extreme environments, such as inside of volcanoes, while Bacteria are more common organisms, such as E. coli.
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Organisms can be classified into one of three domains based on differences in the sequences of nucleotides in the cell's ribosomal RNAs (rRNA), the cell's membrane lipid structure, and its sensitivity to antibiotics. 3. The three domains are the Archaea, the Bacteria, and the Eukarya. 4.
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Eukaryotes belong to the domain Eukaryota or Eukarya; their name comes from the Greek εὖ (eu, "well" or "good") and κάρυον (karyon, "nut" or "kernel"). The domain Eukaryota makes up one of the domains of life in the three-domain system; the two other domains are Bacteria and Archaea (together known as prokaryotes).