The Science Behind Evolution

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Across
  1. 1. heredity
  2. 2. changes
  3. 6. survival
  4. 7. evolution
  5. 8. generation
  6. 11. extinct
  7. 13. Darwin
  8. 14. traits
  9. 15. genes
Down
  1. 1. humans
  2. 3. science
  3. 4. alleles
  4. 5. biology
  5. 9. adaptations
  6. 10. species
  7. 12. mutation