Evidence of Evolution
IB Biology Evolution We are all related, one big family in the ?tree of life? We are not just a HUMAN FAMILY ? we are a LIVING family Evolution Do you mean the yeast are OUR distant cousins? Some thoughtful questions? What happened when scientist Paul Nurse added human DNA to the yeast cells? What does this indicate about the evolutionary history of yeast and humans? An interactive website for you to go to Standard 5.4.1 Define Evolution The cumulative change of heritable characteristics of a population Cumulative change ? small changes upon small changes that add up to large changes over long time scales and many generations! Heritable characteristics ? traits controlled by the genes Population ? not an individual 5.4.2