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Darwin presented at the Pilinan his own discovery that black spore in oyster shells were eggs of the skate leech
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Darwin began his five year voyage where he spent time investigating geology and making natural history collections
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Darwin presented his first paper to the Geological Society of London and also presented his mammal and bird specimins to the Zoological Society
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Mendel studied practical and theoretical philosphy and physics
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Mendel became a Monk
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Mendel studied botany, zoology, chemistry and physics
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Wallace published two titles
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Wallace traveled along islands to collect biological specimens
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Mendel cultivated and tested some 29,000 pea plants
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Wallace had "On the Tendency of Species to Form Varieties; and on the Perpetuation of Varieties and Species by Natural Means of Selection" in 'Proceedings of the Linnean Society' published
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Darwin published his theory
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Mendel presented "Experiments on Plant Hyridization" to the Brunn Society for Natural Science
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Mendel founded the society
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Mendel's paper was finally published
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Darwin examined human evolution and sexual selection
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