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In the book Zoonomia Charles Darwin asks, "Would it be too bold to imagine ... that all warm-blooded animals have arisen from one-living filiament?"
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Charles Darwin's birth comes at a time of social conservatism in Britian.
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Jean-Baptiste de Lamarck proposes that living things evolve to become more complex through time. He claims that "vital forces" within creatures help them adapt to their envirotnments. Acquired traits are then passed on to future generations.
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Darwin feels compelied to pursue what he knows is a radical idea. His Galapegos birds, in particular, seem to point out that new species can evolve over time from a common ancestor.
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Robert Chambers published his evolutionary ideas anonymously in the Vestiges of the Natural History of Creation.
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The question of whether humans existed tens of thousands or even millions of year in the past.
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A few years after One the Orgin of Species is published evolution is mainstream science. Magazines and newspapers promote evolution. Darwin's theory countinues to be doubted.
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Rock-dating techniques show that Earth is more than 4.3 billion years old -- ample time for Darwin's gradual evolution to occur.
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A Moravian monk is brought to light and becomes to comerstone in the emerging science of genetics. Medel's notion that treats are passed down in discrete units is a boon to Darwinism. The countrary idea -- that all traits of parents are "blended" in their offspring -- had been a stumbling black for evolutionists, even fro Darwin himself.
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Both critics and proponents of evolution eagerly await the discovery of a "missing link" between humans and other primates. The fossls skull called Pitdown Man seems to be this link.