Which type of selection leads to increased phenotypic and genetic variation?
a. directional selection
b. disruptive selection
c. stabilizing selection
d. 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. a video that shows a large river that has penguin populations on both sides
b. a video that shows penguin species that have different mating dances
c. a video that shows a penguin that is laying eggs
d. a video that shows penguins in a tidal pool and an open ocean