ANTHRO 105 Lecture 3: Anthro Notes - Lecture 3
14 Sep 2016
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Right after college (age 22), traveled on hms beagle around the globe as a naturalist. Collected fossils, live specimens, and observed specimens in their natural habitat. Looked at variation of species across the globe. Common descent by natural selection the process by which different kinds of living organisms have developed and diversified from earlier forms during the history of the. Evolution in progress: some biological traits are more advantageous than others. Individuals with such traits reproduce more than those without. Emphasis on the individual, not the population: offspring will inherit that advantageous trait, these traits become more prevalent in the population. Emphasis on group success at this point. Darwin"s finches in the galapagos: huge diversity between islands, wanted to know why they were so different from island to island, related beak size to food type. Lamarckism: jean-baptiste lamarck (1744-1829, inherited v acquired characteristics, believed that gene changes occur within an individual"s lifetime, ex.
