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  2. Charismatic megafauna - Wikipedia

    en.wikipedia.org/wiki/Charismatic_megafauna

    Charismatic species are often used as flagship species in conservation programs, as they are supposed to affect people's feelings more. [2] However, being charismatic does not protect species against extinction; all of the 10 most charismatic species are currently endangered, and only the giant panda shows a demographic growth from an extremely small population.

  3. Tripartite classification of authority - Wikipedia

    en.wikipedia.org/wiki/Tripartite_classification...

    Charismatic authority grows out of the personal charm or the strength of an individual personality. [2] It was described by Weber in a lecture as "the authority of the extraordinary and personal gift of grace (charisma)"; he distinguished it from the other forms of authority by stating "Men do not obey him [the charismatic ruler] by virtue of tradition or statute, but because they believe in him."

  4. Timeline of the evolutionary history of life - Wikipedia

    en.wikipedia.org/wiki/Timeline_of_the...

    The timeline of the evolutionary history of life represents the current scientific theory outlining the major events during the development of life on planet Earth. Dates in this article are consensus estimates based on scientific evidence , mainly fossils .

  5. Extinction event - Wikipedia

    en.wikipedia.org/wiki/Extinction_event

    An extinction event (also known as a mass extinction or biotic crisis) is a widespread and rapid decrease in the biodiversity on Earth.Such an event is identified by a sharp fall in the diversity and abundance of multicellular organisms.

  6. Charisma - Wikipedia

    en.wikipedia.org/wiki/Charisma

    Charisma (/ k ə ˈ r ɪ z m ə /) is a personal quality of magnetic charm or appeal. [1]In the fields of sociology and political science, psychology, and management, the term charismatic describes a type of leadership.

  7. Quizlet - Wikipedia

    en.wikipedia.org/wiki/Quizlet

    [6] [7] [8] Quizlet's blog, written mostly by Andrew in the earlier days of the company, claims it had reached 50,000 registered users in 252 days online. [9] In the following two years, Quizlet reached its 1,000,000th registered user. [10] Until 2011, Quizlet shared staff and financial resources with the Collectors Weekly website. [11]

  8. Chemical revolution - Wikipedia

    en.wikipedia.org/wiki/Chemical_revolution

    Some historians have defined this table as being the start of the chemical revolution. [1] In the history of chemistry, the chemical revolution, also called the first chemical revolution, was the reformulation of chemistry during the seventeenth and eighteenth centuries, which culminated in the law of conservation of mass and the oxygen theory ...

  9. Tree of life (biology) - Wikipedia

    en.wikipedia.org/wiki/Tree_of_life_(biology)

    Edward Hitchcock's fold-out paleontological chart in his 1840 Elementary Geology. Although tree-like diagrams have long been used to organise knowledge, and although branching diagrams known as claves ("keys") were omnipresent in eighteenth-century natural history, it appears that the earliest tree diagram of natural order was the 1801 "Arbre botanique" (Botanical Tree) of the French ...