Which type of selection leads to increased phenotypic and genetic variation? directional selection disruptive selection stabilizing selection species selection jezelyn needs to create a project that shows reproductive isolation in action and decides to make a video. which of the following would make the best project? a video that shows a large river that has penguin populations on both sides a video that shows penguin species that have different mating dances a video that shows a penguin that is laying eggs a video that shows penguins in a tidal pool and an open ocean