Ecology and Evolution: Biology 301 -- Wethey and Woodin
Department of Biological Sciences

University of South Carolina

Darwin and the Theory of Evolution, and Artificial Selection

  Variation in Nature

  1.3 billion species

  750,000 insects, 250,000 plants, 4000 mammals, 5000 sponges

  Why is there such enormous variety in nature?

  Lamarck (1744-1829) -

  Darwin (1809-1882) - The Origin of Species (1859)

  Alfred Russell Wallace (1823-1913) -

  Gregor Mendel (1822-1884)

  Artificial Selection