found an unpaid position on the HMS Beagle22 when he started on the voyage. Lasted from 1831-1836.Earth to explain it), postulated by Hutton and Lyell. Darwin was influenced by Malthusian views. Lyell’sbook on geology (old Earth) was brought on the Beagle’s voyage and influenced Darwin’s thought. Afterthe Beagle voyage, he spent several years studying barnacles to "establish himself" as a biologist, or at least that’s a commonly proposed theory. In 1858, Alfred Wallace sent his unpublished manuscript aboutread Darwin’s old work published Darwin’s work with it. Neo-Darwinismor the modern synthesisof biology includes a more modern understanding of genetics.Natural selection:1. high reproductive potential2. ~constant pop. size3. Natural resources are limitedConclusion 1: struggle for existence4. variation - the raw material of evolution5. variation is heritableConclusion 2: Survival of the fittest = natural selection = differential survival and reproductionConclusion 3: evolution
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