Contributions to the Theory of Evolution

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Across
  1. 2. – "Differences within species"
  2. 3. – "Preserved remains of organisms"
  3. 7. – "Father of genetics"
  4. 9. – "Trait enhancing survival"
  5. 10. – "Islands key to Darwin’s study"
  6. 12. – "Natural selection theorist"
  7. 13. – "Study of early development"
  8. 15. – "Process favoring certain traits"
Down
  1. 1. – "Source of genetic variation"
  2. 4. – "Formation of new species"
  3. 5. – "Organism’s genetic makeup"
  4. 6. – "Disappearance of species"
  5. 8. – "Inheritance of acquired traits"
  6. 11. – "Darwin’s co-developer"
  7. 14. – "Ability to survive and reproduce"