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The original March of Progress illustration from Early Man (1965) with spread extended (top) and folded (bottom). The March of Progress, [1] [2] [3] originally titled The Road to Homo Sapiens, is an illustration that presents 25 million years of human 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]
Adaptationism is an approach to studying the evolution of form and function. It attempts to frame the existence and persistence of traits, assuming that each of them arose independently and improved the reproductive success of the organism's ancestors.
In American schools, the Genesis creation narrative was generally taught as the origin of the universe and of life until Darwin's scientific theories became widely accepted. . While there was some immediate backlash, organized opposition did not get underway until the Fundamentalist–Modernist controversy broke out following World War I; several states passed laws banning the teaching of ...
The hominoids are descendants of a common ancestor.. Homo sapiens is a distinct species of the hominid family of primates, which also includes all the great apes. [1] Over their evolutionary history, humans gradually developed traits such as bipedalism, dexterity, and complex language, [2] as well as interbreeding with other hominins (a tribe of the African hominid subfamily), [3] indicating ...
Adaptation affects all aspects of the life of an organism. [24] The following definitions are given by the evolutionary biologist Theodosius Dobzhansky: 1. Adaptation is the evolutionary process whereby an organism becomes better able to live in its habitat or habitats. [25] [26] [27] 2.
Evolutionary ideas during the periods of the Renaissance and the Enlightenment developed over a time when natural history became more sophisticated during the 17th and 18th centuries, and as the scientific revolution and the rise of mechanical philosophy encouraged viewing the natural world as a machine with workings capable of analysis.
In 1986, Norway's then-Minister of Church and Education Affairs Kjell Magne Bondevik proposed new education plans for the elementary and middle school levels which included skepticism of the theory of evolution and would hold that a final answer to the origin of mankind was unknown. The proposal was withdrawn after it had generated controversy.
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