Variation, Selection, and Time
Scroll through the page below to get an idea of the immensity of geologic time.
Genetic Science Learning Center. (2013, July 1) Geologic Time. Retrieved November 14, 2018, from https://learn.genetics.utah.edu/content/selection/time/
Geologic Time [Internet]. Salt Lake City (UT): Genetic Science Learning Center; 2013 [cited 2018 Nov 14] Available from https://learn.genetics.utah.edu/content/selection/time/
Genetic Science Learning Center. "Geologic Time." Learn.Genetics. July 1, 2013. Accessed November 14, 2018. https://learn.genetics.utah.edu/content/selection/time/.