Evolution Crossword Puzzle!

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Across
  1. 4. Proposed simple organisms can develop into complex organisms over time
  2. 8. What determines how your cells act
  3. 10. The theory that species change over many generations and become better adapted to new conditions
  4. 11. Producing more offspring than can possibly survive
  5. 12. Preserved remains of an ancient organism
  6. 13. Any change to genetic material
  7. 15. The struggle among living things for food, water, and shelter
Down
  1. 1. Differences in ones traits to another in a species
  2. 2. A natural process in which something takes place
  3. 3. Natural breeding and the strongest survive
  4. 5. A naturalist who developed the evolution theory aboard the Beagle
  5. 6. Young lawyer who studied natural rock layers and fossils
  6. 7. Created the first system for classifying and naming living things
  7. 8. Islands where Darwin developed the evolution theory and studied finches
  8. 9. A Woman known for finding fossils and thought themself to reconstruct the bodies of fossilized creatures
  9. 14. only individuals with a desired trait are bred by humans in hope that future generations will inherit the trait