How did Darwin's finches help support his theory of evolution?

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1 point
Only the largest birds had survived on the island, while the smaller ones went extinct
The size and shape of their beaks varied, allowing them to consume a greater variety of food sources
The birds were different colors, which allowed for camouflage in different habitats
The finches all lived on different islands in order to survive

1 answer

The size and shape of their beaks varied, allowing them to consume a greater variety of food sources.