Biology 1201A Lecture Notes - Lecture 17: Nicolaus Copernicus, Carl Linnaeus, Georges Cuvier
31 Oct 2017
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1859 c. e proposed his theory of evolution by natural selection (e. g. embryos and genes) Recognition of evolutionary change: aristotle (384-322 b. c. e) Believes both living and non living species have fixed characteristics. Created a classification ladder system based on complexities (minerals, plants, animals, humans, gods) Chain of being (aristotle"s ladder: carolus linnaeus theory was the same as this. In the western world science began to take a more modern approach. 15-18th century: francis bacon (1561-1626) initiated observations, experimentations and reasoning, nicolaus copernicus. Darwin travels on hms beagle: travelled the world for 5 yrs, applied gradualism and uniformitarianism to the living world, noted that animals on different islands varied slightly, hypothesized that the organisms on the galapagos originated from south. American ancestors and each species had changed after being isolated on a particular island. In selective breeding and heredity like begets like.
