Evolution

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Across
  1. 3. Change caused by random DNA differences
  2. 5. A trait helping survival and reproduction
  3. 7. Evolution of a new species
  4. 8. Scientist who developed the theory of evolution
  5. 9. Animals sharing a common ancestor
  6. 11. Process where organisms with helpful traits survive
  7. 14. Structures with similar function but different ancestry
  8. 16. Survival and reproduction of the fittest organisms
  9. 17. Body structures with similar ancestry
  10. 18. Preserved remains or traces of life
  11. 19. Organisms changing to fit surroundings
Down
  1. 1. The enviroment where an organism lives
  2. 2. A group of organisms of the same species
  3. 4. The role of an organism in its enviroment
  4. 6. Traits that help survival
  5. 10. Slow changes occuring over generations
  6. 12. Change in species overtime
  7. 13. Evidence of organisms from the past
  8. 15. Variety among living things
  9. 18. Organisms best suited to survive