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Charles Darwin was a British naturalist who proposed the theory of biological evolution by natural selection. Darwin defined evolution as "descent with modification," the idea that species change over time, give rise to new species, and share a common ancestor.
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What is Darwin's Theory of evolution by natural selection?
Who was Charles Darwin and what did he do?
Why did Darwin call natural selection natural selection?
He saw this natural selection as the mechanism by which advantageous variations were passed on to later generations and less advantageous traits gradually disappeared. He worked on his theory for more than 20 years before publishing it in his famous On the Origin of Species by Means of Natural Selection (1859).
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".
Pre-Darwinian ideas about evolution. A visit to the Galapagos Islands in 1835 helped Darwin formulate his ideas on natural selection. He found several species of finch adapted to different environmental niches. The finches also differed in beak shape, food source, and how food was captured.
May 29, 2024 · Charles Darwin (born February 12, 1809, Shrewsbury, Shropshire, England—died April 19, 1882, Downe, Kent) was an English naturalist whose scientific theory of evolution by natural selection became the foundation of modern evolutionary studies.
- Adrian J. Desmond
- Charles Darwin’s theory of evolution by natural selection is the foundation upon which modern evolutionary theory is built. The theory was outlined...
- Charles Darwin’s theory of evolution had three main components: that variation occurred randomly among members of a species; that an individual’s t...
- Growing up, Charles Darwin was always attracted to the sciences. In 1825 his father sent him to the University of Edinburgh to study medicine. Ther...
- Charles Darwin was born in England to a well-to-do family in 1809. His father was a doctor, and his mother—who died when he was only eight years ol...
- Charles Darwin’s theories hugely impacted scientific thought. But his ideas also affected the realms of politics, economics, and literature. More i...
Explain how the writings of Charles Lyell and Thomas Malthus helped Darwin develop his theory of evolution by natural selection. Discuss the role artificial selection had on Darwin's theory.
Darwin's theory of evolution by natural selection underlies all modern biology. It enables us to decipher our genes and fight viruses, as well as to understand Earth's fossil record and rich biodiversity.
