I. Read Chapter 17.2 -17.8 several times and make your own outline. II. Watch my PowerPoint Microevolution Chapter 17 part 1 Lecture videos several times. Use the fill- in-the-blank notes provided in the module to follow along. III. Complete the Self-Quiz in the textbook at the end of Microevolution Chapter 17 part 1. Below is a copy of the questions. is the original source of new alleles. 1. a) Mutation b) Natural selection c) Genetic drift d) Gene flow e) All are original sources of new alleles 2. Evolution can only occur in a population when_ a) mating is random b) there is selection pressure c) neither is necessary 3. Match the modes of natural selection with their best descriptions. o stabilizing directional o disruptive a) eliminates extreme forms of a trait b) eliminates midrange form of a trait c) shifts allele frequencies in one direction 4. Individuals don't evolve, populations do. a) True b) False 5. Sexual selection, such as occurs when males compete for access to fertile females, frequently influences aspects of body form and can lead to. a) male/female differences b) male aggression c) exaggerated traits d) All of these