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Linnaeus publishes Systema Naturae
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Thomas Malthus publishes "An Essay on the Principle of Population".
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Jean-Baptiste Lamarck published his theory of evolution, the Theory of Acquired Characteristics
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Charles Lyell published "Principles of Geology".
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After sailing on the HMS Beagle as naturalist, Charles Darwin published "Origin of the Species".
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Mendel's pea plant experiments reveal the basic laws of genetic inheritance.
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DNA is proven to be the material through which genetic inheritance takes place.