BIO SCI 1A Lecture Notes - Lecture 5: Second Voyage Of Hms Beagle, Linnean Society Of London, Thomas Robert Malthus

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Darwin: educational background, had gone to divinity school at cambridge, was a keen naturalist, class attended, self-perception, key trait: persistence, and dedicated, beagle voyage, the h. m. s. After darwin: what have we learned: examples of natural selection working, change is genetic, population genetics firms ups darwin"s insights, species selection, changes not constant through time. Natural selection works on individuals - but measured in populations. Getting the flavor of a genius: the descent of man (1871: darwin meets his monkey ancestor: 1874 publication, the ascent of man according to darwin. A darwinian perspective: a herd of buffalo can only move as fast as the slowest buffalo. So when the herd is hunted, it is the slowest and weakest ones at the back that is killed first. This is just like how the human brain can only operate as fast as the slowest brain cells, and alcohol kills the slowest brain cells first, so you feel smarter after a few beers.