The Three Domains Of Life

Until as recent as the nineteenth century, biologists have categorise organisms into two different kingdoms, Animalia and Plantae. With supporting evidence, researchers have resolve that there atomic number 18 three distinct plains, tender-hearted pass Bacteria, body politic Archaea, and acres Eukarya. Bacteria and Archaea are categorise as Prokaryotes and Domain Eukarya are assort as Eukaryote. As stated earlier, Domain Bacteria are prokaryotes, and they are the some common of entirely living organisms. Many are classified as decomposers, and brisk almost everywhere. Although bacteria is associated with causing human and animal disease, the foe it true. Many species of bacteria can be beneficial by helping to digest diet. By their nominal head in the set down intestine of most animals and humans, their enzymes reach to the break down of food. overly many species of bacteria attend in the development of antibiotics, such(prenominal) as penicillin, and ma ny aid in keeping past harmful bacteria by belligerent exclusion. Domain Archaea are as well as prokaryotes and were once grouped with domain bacteria, but in the late 1970s, researchers had sufficient evidence to stop that they were two understandably different groups.

Archaea are known to tolerate some of the most wildly extreme environments such as natural vehement springs, and the digestive tracts of cows, where they produce methane. These organisms are also extremely immune to antibiotics that affect bacteria, but are unresistant to antibiotics that affect the eukaryote. The ternary domain, Domain Eukarya, keeps the four kingdoms, Protista,! Plantae, Fungi, and Animalia, all of which are eukaryotes. All kingdoms in domain eukaryote are multi carrellular, contain a nucleus, where their deoxyribonucleic acid (deoxyribonucleic acid) is stored, and they have a complex cell structure, complete with organelles. Protists are mostly single celled organisms that include algae, which shit their own food using the photosynthesis process, and protozoans. Protozoans could be...If you want to get a full essay, come in it on our website: BestEssayCheap.com

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