Evolution

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Across
  1. 2. Darwin's controversial book about his theory of evolution
  2. 3. The scientist that theorized modern evolution
  3. 6. The chain of islands where Darwin made his observations
  4. 7. The theory of how organisms change over time
  5. 8. The shapes of the finches' _____ allowed them to adapt to food availability on the islands
  6. 9. An idea that has not been proven to be true
Down
  1. 1. Darwin studied 13 species of this bird
  2. 4. A visual interpretation of how species are related
  3. 5. The organism that all living species originated from