Question

Darwin's finches of the Galapagos Islands diversified from a common ancestor primarily due to:

Options

• A sudden mass extinction on the islands

• Repeated immigration of unrelated finch species

• Interbreeding with mainland bird species

• Adaptation to different ecological niches

Answer 1

Darwin's finches provide strong evidence of evolution, showing diversification from a common ancestor due to adaptation to different ecological niches. Each variety evolved distinct beak shapes and sizes suited to its particular food source.