Fill in the sentences below, which explain how character displacement evolved in the finch populations on Santa María and San Cristóbal islands.

Options: Los Hermanos, directional, interspecific competition, reduces, shallower beaks, less, Daphne, deeper beaks.

1. When the finches first colonized Santa María and San Cristóbal, G. fuliginosa probably had beak sizes similar to finches on ______ island, and G. fortis probably had beak sizes similar to finches on ______ island.

2. Significant overlap in beak size would have resulted in ______ for food.

3. Natural selection favored phenotypes that competed ______ for food.

4. In G. fortis, finches with ______ were selected for.

5. In G. fuliginosa, finches with ______ were selected for.

6. Each species experienced ______ selection, which resulted in character displacement for beak size.

7. Character displacement is adaptive for both populations because it ______ interspecific competition.