Biology, 20.04.2020 22:32 Zaxx2974

Fill in the sentences below, which explain how character displacement evolved in the finch populations on Santa María and San Cristóbal islands. Los Hermanos, directional, interspecific competition, reduces, shallower beaks, less, Daphne, deeper beaks.1. When the finches first colonized Santa Maria and San Cristobal, 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.

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