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  2. Evolution - Wikipedia

    en.wikipedia.org/wiki/Evolution

    Evolution is the change in the heritable characteristics of biological populations over successive generations. [1] [2] It occurs when evolutionary processes such as natural selection and genetic drift act on genetic variation, resulting in certain characteristics becoming more or less common within a population over successive generations. [3]

  3. Evolutionary biology - Wikipedia

    en.wikipedia.org/wiki/Evolutionary_biology

    The basic mechanisms of evolution are applied directly or indirectly to come up with novel designs or solve problems that are difficult to solve otherwise. The research generated in these applied fields, contribute towards progress, especially from work on evolution in computer science and engineering fields such as mechanical engineering. [6]

  4. Natural selection - Wikipedia

    en.wikipedia.org/wiki/Natural_selection

    The concept of natural selection originally developed in the absence of a valid theory of heredity; at the time of Darwin's writing, science had yet to develop modern theories of genetics. The union of traditional Darwinian evolution with subsequent discoveries in classical genetics formed the modern synthesis of the mid-20th century.

  5. Experimental evolution - Wikipedia

    en.wikipedia.org/wiki/Experimental_evolution

    Organisms with longer generations times, although costly, can be used in experimental evolution. Laboratory studies with foxes [6] and with rodents (see below) have shown that notable adaptations can occur within as few as 10–20 generations and experiments with wild guppies have observed adaptations within comparable numbers of generations. [7]

  6. Morphogenesis - Wikipedia

    en.wikipedia.org/wiki/Morphogenesis

    Morphogenesis is essential for the evolution of new forms. Morphogenesis is a mechanical process involving forces that generate mechanical stress, strain, and movement of cells, [1] and can be induced by genetic programs according to the spatial patterning of cells within tissues. Abnormal morphogenesis is called dysmorphogenesis.

  7. Evolution as fact and theory - Wikipedia

    en.wikipedia.org/wiki/Evolution_as_fact_and_theory

    Professor of biology Jerry Coyne sums up biological evolution succinctly: [3]. Life on Earth evolved gradually beginning with one primitive species – perhaps a self-replicating molecule – that lived more than 3.5 billion years ago; it then branched out over time, throwing off many new and diverse species; and the mechanism for most (but not all) of evolutionary change is natural selection.

  8. Level of support for evolution - Wikipedia

    en.wikipedia.org/wiki/Level_of_support_for_evolution

    A study published in Science compared attitudes about evolution in the United States, 32 European countries, and Japan. The only country where acceptance of evolution was lower than in the United States was Turkey (25%). Public acceptance of evolution was most widespread (at over 80% of the population) in Iceland, Denmark and Sweden. [101]

  9. Survival of the fittest - Wikipedia

    en.wikipedia.org/wiki/Survival_of_the_fittest

    By his own account, Herbert Spencer described a concept similar to "survival of the fittest" in his 1852 "A Theory of Population". [9] He first used the phrase – after reading Charles Darwin's On the Origin of Species – in his Principles of Biology of 1864 [10] in which he drew parallels between his economic theories and Darwin's biological, evolutionary ones, writing, "This survival of ...