Answer:
He observed a difference in beaks in the finches population.
Explanation:
On the Galapagos island, Darwin observed a graded series of different beak sizes and shapes in the finches that were present on the island. He predicted that these species might have been originated from one mainland species and later got modified. For the difference in the beak shapes and sizes of the finches, Darwin proposed the reason to be the Natural Selection which was caused due to the inheritance of traits, competition between individuals, and the variation of traits.
Answer:
Their beaks were adaptations related to the foods the finches ate.Explanation:
