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  2. On the Origin of Species - Wikipedia

    en.wikipedia.org/wiki/On_the_Origin_of_Species

    Darwin's theory of evolution by natural selection, with its tree-like model of branching common descent, has become the unifying theory of the life sciences. The theory explains the diversity of living organisms and their adaptation to the environment.

  3. Natural selection - Wikipedia

    en.wikipedia.org/wiki/Natural_selection

    In 1859, Charles Darwin set out his theory of evolution by natural selection as an explanation for adaptation and speciation. He defined natural selection as the "principle by which each slight variation [of a trait], if useful, is preserved". [ 17 ]

  4. Darwinism - Wikipedia

    en.wikipedia.org/wiki/Darwinism

    Charles Darwin in 1868. Darwinism is a term used to describe a theory of biological evolution developed by the English naturalist Charles Darwin (1809–1882) and others. The theory states that all species of organisms arise and develop through the natural selection of small, inherited variations that increase the individual's ability to compete, survive, and reproduce.

  5. On the Tendency of Species to form Varieties; and on the ...

    en.wikipedia.org/wiki/On_the_Tendency_of_Species...

    The article was the first announcement of the Darwin–Wallace theory of evolution by natural selection; and appeared in print on 20 August 1858. The presentation of the papers spurred Darwin to write a condensed "abstract" of his "big book", Natural Selection. This was published in November 1859 as On the Origin of Species.

  6. Objections to evolution - Wikipedia

    en.wikipedia.org/wiki/Objections_to_evolution

    Objections to evolution have been raised since evolutionary ideas came to prominence in the 19th century. When Charles Darwin published his 1859 book On the Origin of Species, his theory of evolution (the idea that species arose through descent with modification from a single common ancestor in a process driven by natural selection) initially met opposition from scientists with different ...

  7. Charles Darwin - Wikipedia

    en.wikipedia.org/wiki/Charles_Darwin

    Charles Robert Darwin (/ ... was the first to provide solid fossil evidence to support Darwin's theory of evolution by ... To Darwin, natural selection produced ...

  8. 'Oldest living thing' on earth discovered and it may prove ...

    www.aol.com/news/2015-02-03-the-oldest-living...

    Scientists have identified the oldest living species on Earth is a deep sea organism that hasn't evolved in more than two billion years. And, it may prove Charles Darwin's Theory of Evolution. A ...

  9. Publication of Darwin's theory - Wikipedia

    en.wikipedia.org/wiki/Publication_of_Darwin's_theory

    The publication of Darwin's theory brought into the open Charles Darwin's theory of evolution through natural selection, the culmination of more than twenty years of work. Thoughts on the possibility of transmutation of species which he recorded in 1836 towards the end of his five-year voyage on the Beagle were followed on his return by ...