BIOL 2200 Chapter Notes - Chapter 22 with Lecture notes: Beagle, Epigenetics, Heritability
24 Jan 2018
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Key concepts: darwin challenged the traditional views of earth by studying certain species, descent with modification by natural selection explains the diversity of life, evolution is supported by evidence. Chapter 22: descent with modification: a darwinian view of life. Evolution - defined as descent with modification according to darwin, or a genetic change in the population from generation to generation. Aristotle : concluded life forms could be arranged on a ladder, called it scala. Carolus linnaeus : classified life and diversity, two-part system known as. Charles darwin: drew evidence from fossils, the remains of organisms of the past. Georges cuvier : study of fossils known as paleontology. Came up with that the older the strata , the more dissimilar its fossils were to the current organisms. Also observed that some species appeared while others disappeared. New layers of sediment cover the older ones and compress the layers of rock which are known as strata.
