Science Crossword

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Across
  1. 2. Boat that Darwin was on
  2. 3. Darwin published his blank in 1859
  3. 4. The struggle among living things to survive
  4. 6. Islands Darwin studied
  5. 7. what kind of animals did Darwin study
  6. 8. Organisms with a desired trait
Down
  1. 1. What bird did Darwin study
  2. 3. Name of Darwin's theory
  3. 5. Who sent the letter to Darwin
  4. 7. What species all had a common ancestor