ANTHRO 105 Lecture Notes - Lecture 2: James Hutton, Fossil Wood, Robert Hooke
10 Sep 2015
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A product of evolutionary history (lecture 9/9/15) Dna the biological factor that affects an individual"s evolutionary history: two levels: our ancestors & our parents. Hominids: group consisting of all great apes and their immediate ancestors. Hominins: group of hominids more closely related to humans than other apes. Common views in the 17th century. Earth was young- 6000 years. Emerging scientific views in the 18th/19th century. Earth is old- millions of years. Species change over time. Gathered evidence that the earth must be millions of years old. (layers of rock) Fossil wood was once alive . Similarities between living and fossilized wood. Fossilization must take longer than a few thousand years. A window into our past. Organisms can go extinct. Different fossils in different geological strata. Extinction by catastrophic events. Stumbled in to the concept of evolution. Hms beagle voyage- charles darwin. Darwin"s finches: different from island to island- variation in beaks because of diet. Seeds and nuts- bigger beak.
