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What did Darwin conclude about the finches on the Galapagos Islands that later supported his theory of evolution? Check all that apply.

- The finches on the Galapagos Islands all had the same beak.
- The finches on the Galapagos Islands all had different beaks.
- The finches stayed the same over time.
- The finches changed over time.
- The finches had a common ancestor.
- The finches did not have a common ancestor.

Answer :

Final answer:

Charles Darwin observed that the finches on the Galapagos Islands had different beak shapes, which supported his theory of evolution. The finches adapted to different diets and developed distinct beak shapes over time. This variation in beak shape provided evidence for natural selection.


Explanation:

Charles Darwin observed that the finches on the Galapagos Islands had different beak shapes and sizes, which later supported his theory of evolution. The finches had different beaks because they adapted to different food sources on each island. This variation in beak shape allowed the finches to better survive and reproduce in their specific environments. Over time, these variations became more pronounced, leading to the development of different species of finches.

Initially, the finches may have had a common ancestor, but as they migrated to different islands and adapted to different diets, they evolved into separate species with distinct beak shapes. This observation provided evidence for Darwin's theory of natural selection, where species with favorable traits are more likely to survive and reproduce.


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