The three-domain system is a biological classification introduced by Carl Woese et al.in 1977[1][2] that divides cellular life forms into archaea, bacteria, and eukaryote domains. In particular, it emphasizes the separation of prokaryotes into two groups, originally called Eubacteria (now Bacteria) and Archaebacteria(now Archaea). Woese argued that, on the basis of differences in 16S rRNA genes, these two groups and the eukaryotes each arose separately from an ancestor with poorly developed genetic machinery, often called a progenote. To reflect these primary lines of descent, he treated each as a domain, divided into several different kingdoms. Woese initially used the term "kingdom" to refer to the three primary phylogenic groupings, and this nomenclature was widely used until the term "domain" was adopted in 1990.[2]
Parts of the three-domain theory have been challenged by scientists such as Radhey Gupta, who argues that the primary division within prokaryotes should be between those surrounded by a single membrane, and those with two membranes.
Control your weight
Decrease the risk of cardiovascular diseases
Reduce the chance of occurring type 2 diabetes and metabolic syndrome
Reduce the risk of some cancers
Strengthen your bones and muscles
Improve your mental health and mood
Increases your life expectancy
Make a joke, say you have to use the bathroom, say no
Lightweight clothing because dark clothing will hold heat, waterproof clothing will stick to you and make you hot, and tight clothing will make you sweaty and hot
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Explanation:
