Which type of selection leads to increased phenotypic and genetic variation?

Adirectional selection

Bdisruptive selection

Cstabilizing selection

Dspecies 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?

Aa video that shows a large river that has penguin populations on both sides

Ba video that shows penguin species that have different mating dances

Ca video that shows a penguin that is laying eggs

Da video that shows penguins in a tidal pool and an open ocean