Darwin observed that the finches on two different islands in the galapagos belonged to the same family, but showed a lot of variations in their beak size and shape. how can this variation be justified?

Darwin’s Finches in Galapagos Island may have the same family and class but differs in their physical aspect. Their beaks vary in different sizes due to their environmental structure and the food they feed on in their habitat. They were structured in order to adapt in their habitat

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