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  2. History of life - Wikipedia

    en.wikipedia.org/wiki/History_of_life

    The history of life on Earth traces the processes by which living and extinct organisms evolved, from the earliest emergence of life to the present day. Earth formed about 4.5 billion years ago (abbreviated as Ga, for gigaannum) and evidence suggests that life emerged prior to 3.7 Ga. [1] [2] [3] The similarities among all known present-day species indicate that they have diverged through the ...

  3. Sentence clause structure - Wikipedia

    en.wikipedia.org/wiki/Sentence_clause_structure

    A sentence consisting of at least one dependent clause and at least two independent clauses may be called a complex-compound sentence or compound-complex sentence. Sentence 1 is an example of a simple sentence. Sentence 2 is compound because "so" is considered a coordinating conjunction in English, and sentence 3 is complex.

  4. On Youth, Old Age, Life and Death, and Respiration - Wikipedia

    en.wikipedia.org/wiki/On_Youth,_Old_Age,_Life...

    The title On Youth, Old Age, Life and Death, and Respiration, given in the Medieval manuscripts, derives from the treatise's opening words: "We must now treat of youth and old age and life and death. We must probably also at the same time state the causes of respiration as well, since in some cases living and the reverse depend on this."

  5. Respiration (physiology) - Wikipedia

    en.wikipedia.org/wiki/Respiration_(physiology)

    Although physiologic respiration is necessary to sustain cellular respiration and thus life in animals, the processes are distinct: cellular respiration takes place in individual cells of the organism, while physiologic respiration concerns the diffusion and transport of metabolites between the organism and the external environment.

  6. Cellular respiration - Wikipedia

    en.wikipedia.org/wiki/Cellular_respiration

    Cellular respiration may be described as a set of metabolic reactions and processes that take place in the cells of organisms to convert chemical energy from nutrients into ATP, and then release waste products. [1] Cellular respiration is a vital process that occurs in the cells of all [[plants and some bacteria ]].

  7. One small thing can add years to your life, experts say - AOL

    www.aol.com/one-small-thing-add-years-162937570.html

    Drink a full glass of water during the time it takes your food to get hot. Experts on habit formation say that if you attach a new habit to an old one — called habit stacking — it’s easier ...

  8. Aerobic organism - Wikipedia

    en.wikipedia.org/wiki/Aerobic_organism

    Aerobic organisms use a process called aerobic respiration to create ATP from ADP and a phosphate. Glucose (a monosaccharide ) is oxidized to power the electron transport chain: [ 8 ] This equation is a summary of what happens in three series of biochemical reactions: glycolysis , the Krebs cycle (also known as the Citric acid cycle ), and ...

  9. 'Gone Girl' kidnapper charged in home invasions from years ...

    www.aol.com/gone-girl-kidnapper-charged-home...

    MORE: Survivors of so-called 'Gone Girl' case reflect on the life-changing experience. Muller -- who had been serving a 40-year sentence at a federal prison in Arizona relating to charges from ...