The evolution of theory
Until the end of the 18th century, educated Christians
believed that the Earth and all its creatures had been
created by God in about 4,000 BC. Between 1794 and 1809
Erasmus Darwin and Jean Baptiste Lamarck proposed that
simple forms of lite were spontaneously generated, then
made increasingly complex over time by a vital force.
Acquired characteristics were inherited.
By the middle of the 19th century a number of
philosophers and naturalists found the idea of evolution a
simpler way to explain geographical, geological and
biological facts. It was Charles Darwin's triumph to invent a
plausible mechanism for evolution, natural selection. The
discovery, made independently also by Wallace, was
publicly announced in 1858. By the time Darwin died, tew
naturalists denied that evolution had occurred.
By 1930 population geneticists, such as R. A. Fisher (1890
4962), had shown with mathematical models that natural
selection could work on minute variations generated by
mutations to produce evolutionary change. Whether
evolution is gradual or not is still debatable, but Darwin’s
theon/ remains the cornerstone of biology.
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日本語) 1:
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The evolution of theory
Until the end of the 18th century, educated Christians
believed that the Earth and all its creatures had been
created by God in about 4,000 BC. Between 1794 and 1809
Erasmus Darwin and Jean Baptiste Lamarck proposed that
simple forms of lite were spontaneously generated, then
made increasingly complex over time by a vital force.
Acquired characteristics were inherited.
By the middle of the 19th century a number of
philosophers and naturalists found the idea of evolution a
simpler way to explain geographical, geological and
biological facts. It was Charles Darwin's triumph to invent a
plausible mechanism for evolution, natural selection. The
discovery, made independently also by Wallace, was
publicly announced in 1858. By the time Darwin died, tew
naturalists denied that evolution had occurred.
By 1930 population geneticists, such as R. A. Fisher (1890
4962), had shown with mathematical models that natural
selection could work on minute variations generated by
mutations to produce evolutionary change. Whether
evolution is gradual or not is still debatable, but Darwin’s
theon/ remains the cornerstone of biology.
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