ANT131,2 - ThePathtoNaturalSelection EvolutionaryTheory...

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The Path to Natural Selection Evolutionary Theory 150 years of testing Supported by genetic evidence. Fundamental unifying force in biological science. Western World Status – fixity of species Hierarch – the great chain of being Grand design – shallow history Taxonomy Carolus Linnaeus (1707 – 1778) Systems of Nature (1735) Diversity classified into varieties: Binomial nomenclature Genus and species (e.g.  Homo sapiens ) Change Count de Buffon (1707-1788) Natural History (1749) Change in the universe Changes in animals The Environment was the driving force HYPOTHESIS: Acquired Characteristics Jean-Baptiste Lamarck (1744-1832)2 Species linked through evolution. Environmental change requires organisms to change.
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Organisms  acquire  new traits and pass to offspring. Giraffe neck: Short necked giraffe – change in environment, vegetation grows  high - long neck traits pass on to children. HYPOTHESIS: Catastrophism
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ANT131,2 - ThePathtoNaturalSelection EvolutionaryTheory...

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