Title PowerPoint Presentation - EVOLUTION Author Jeanine Stright Last modified by Juandas Created Date 3/21/2006 6:18:58 PM Document presentation format On-screen Show (4:3) 2 more rows ...Which is the best description of the theory of evolution?
Definition of Evolution • Evolution is the process of change through time. • It is the process by which modern organisms have descended from ancient organisms. 6. Evolutionary Theory • Is the unifying principle for all the biological sciences. • Provides an explanation for the differences in structure, function, and behavior among life forms.Are there any misconceptions about the theory of evolution?
Misconceptions about Evolution Evolution does not tell us about how life first appeared on Earth Individuals do not evolve. Only populations can evolve.How did Russel Wallace contribute to the theory of evolution?
Russel Wallace wrote an essay summarizing evolutionary change from his field work in Malaysia Gave Darwin the drive to publish his findings Natural Selection & Artificial Selection Natural variation --differences among individuals of a species Artificial selection